Revert "Add "Touchscreen" app to properly setup touchscreen calibration"

This reverts commit 19f71681a460a1335c631fd2d096d90a42bfaa2b.

This is no longer needed since ro.sf.hwrotation has been merged in
frameworks/native based on
https://android-review.googlesource.com/c/platform/frameworks/native/+/671042
diff --git a/Touchscreen/Android.mk b/Touchscreen/Android.mk
deleted file mode 100644
index 3966b30..0000000
--- a/Touchscreen/Android.mk
+++ /dev/null
@@ -1,14 +0,0 @@
-LOCAL_PATH:= $(call my-dir)
-include $(CLEAR_VARS)
-
-LOCAL_MODULE_TAGS := optional
-LOCAL_SRC_FILES := $(call all-subdir-java-files)
-
-LOCAL_CERTIFICATE := platform
-LOCAL_PRIVILEGED_MODULE := true
-LOCAL_PACKAGE_NAME := Touchscreen
-LOCAL_PROGUARD_ENABLED := disabled
-
-LOCAL_DEX_PREOPT := false
-
-include $(BUILD_PACKAGE)
diff --git a/Touchscreen/AndroidManifest.xml b/Touchscreen/AndroidManifest.xml
deleted file mode 100644
index 50e3b92..0000000
--- a/Touchscreen/AndroidManifest.xml
+++ /dev/null
@@ -1,16 +0,0 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-	package="me.phh.treble.touchscreen"
-	android:sharedUserId="android.uid.system">
-
-	<uses-permission android:name="android.permission.SET_INPUT_CALIBRATION" />
-    <application
-	    android:label="@string/app_label">
-
-	    <receiver android:name=".Starter">
-		    <intent-filter>
-			    <action android:name="android.intent.action.BOOT_COMPLETED"/>
-		    </intent-filter>
-	    </receiver>
-    </application>
-
-</manifest>
diff --git a/Touchscreen/res/values/strings.xml b/Touchscreen/res/values/strings.xml
deleted file mode 100644
index 1bd9b00..0000000
--- a/Touchscreen/res/values/strings.xml
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources>
-    <string name="app_label">Hardware Overlay Picker</string>
-</resources>
diff --git a/Touchscreen/src/me/phh/treble/touchscreen/Starter.java b/Touchscreen/src/me/phh/treble/touchscreen/Starter.java
deleted file mode 100644
index bc5fcf4..0000000
--- a/Touchscreen/src/me/phh/treble/touchscreen/Starter.java
+++ /dev/null
@@ -1,91 +0,0 @@
-package me.phh.treble.touchscreen;
-
-import android.content.BroadcastReceiver;
-import android.content.Context;
-import android.content.Intent;
-import android.content.om.IOverlayManager;
-import android.hardware.input.InputManager;
-import android.view.InputDevice;
-import android.view.MotionEvent;
-import android.hardware.input.TouchCalibration;
-import android.os.RemoteException;
-import android.os.ServiceManager;
-import android.os.SystemProperties;
-import android.util.Log;
-
-public class Starter extends BroadcastReceiver {
-    private final static String TAG = "TouchScreen";
-
-    private int getRotation(Context ctxt, Intent intent) {
-        int rotation = -1;
-        String vndFingerprint = SystemProperties.get("ro.vendor.build.fingerprint", "");
-        int hwrotation = SystemProperties.getInt("ro.sf.hwrotation", -1);
-        if(vndFingerprint.contains("full_x970_t10") && hwrotation == 270) {
-            rotation = 271;
-        }
-        if(intent.hasExtra("rotation")) {
-            rotation = intent.getIntExtra("rotation", rotation);
-        }
-        return rotation;
-    }
-
-    @Override
-    public void onReceive(Context ctxt, Intent intent) {
-        int rotation = getRotation(ctxt, intent);
-        if(rotation == -1) return;
-        android.util.Log.d("PHH", "Applying rotation " + rotation);
-        InputManager im = ctxt.getSystemService(InputManager.class);
-        int[] ids = im.getInputDeviceIds();
-        for(int id: ids) {
-            InputDevice dev = im.getInputDevice(id);
-            String descriptor = dev.getDescriptor();
-            android.util.Log.d("PHH", "Checking device " + descriptor + ":" + dev.getSources());
-            if( (dev.getSources() & InputDevice.SOURCE_TOUCHSCREEN) == InputDevice.SOURCE_TOUCHSCREEN ) {
-                InputDevice.MotionRange rangeX = dev.getMotionRange(MotionEvent.AXIS_X);
-                InputDevice.MotionRange rangeY = dev.getMotionRange(MotionEvent.AXIS_Y);
-
-                float dX = rangeX.getMax();
-                float dY = rangeY.getMax();
-                //TouchCalibration cal = new TouchCalibration(
-                //		0.0f, dX/dY, 0.0f,
-                //		dY/dX, 0.0f, 0.0f);
-                TouchCalibration cal;
-                if(rotation == 0) {
-                    cal = new TouchCalibration(
-                            1.0f, 0.0f, 0.0f,
-                            0.0f, 1.0f, 0.0f);
-                } else if(rotation == 90) {
-                    cal = new TouchCalibration(
-                            0.0f, dX/dY, 0.0f,
-                            dY/dX, 0.0f, 0.0f);
-                } else if(rotation == 91) {
-                    cal = new TouchCalibration(
-                            0.0f, -dX/dY, dX,
-                            dY/dX, 0.0f, 0.0f);
-                } else if(rotation == 180) {
-                    cal = new TouchCalibration(
-                            -1.0f, 0.0f, dX,
-                            0.0f, -1.0f, dY);
-                } else if(rotation == 270) {
-                    cal = new TouchCalibration(
-                            0.0f, -dX/dY, dX,
-                            -dY/dX, 0.0f, dY);
-                } else if(rotation == 271) {
-                    cal = new TouchCalibration(
-                            0.0f, dX/dY, 0.0f,
-                            -dY/dX, 0.0f, dY);
-                } else {
-                    cal = new TouchCalibration(
-                            1.0f, 0.0f, 0.0f,
-                            0.0f, 1.0f, 0.0f);
-                }
-
-                android.util.Log.d("PHH", "Setting touch calibration " + dY/dX  + ":" + dX/dY);
-                im.setTouchCalibration(descriptor, 0, cal);
-                im.setTouchCalibration(descriptor, 1, cal);
-                im.setTouchCalibration(descriptor, 2, cal);
-                im.setTouchCalibration(descriptor, 3, cal);
-            }
-        }
-    }
-}
diff --git a/overlay.mk b/overlay.mk
index d802561..b50e519 100644
--- a/overlay.mk
+++ b/overlay.mk
@@ -20,8 +20,7 @@
 	treble-overlay-xiaomi-mimix2s \
 	treble-overlay-xiaomi-redmi6pro \
 	HardwareOverlayPicker \
-	QtiAudio \
-	Touchscreen
+	QtiAudio
 
 
 PRODUCT_PACKAGES += \