Revert "Add ACCESS_NETWORK_STATE to Tethering CTS"

This reverts commit 90255ef0a7832729eb8002f1cdfb9dea2b9c05df.

Reason for revert: this change break TetheringCoverageTests which test whether guard with proper permission (ACCESS_NETWORK_STATE). Instead of adding permission to test, use runAsShell with ACCESS_NETWORK_STATE: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1699426/1/Tethering/tests/integration/src/android/net/EthernetTetheringTest.java

Bug: 187371740

Change-Id: Id8f27dce237ab34c1a735ce4678e661a6113377e
diff --git a/Tethering/tests/integration/AndroidManifest.xml b/Tethering/tests/integration/AndroidManifest.xml
index f18872a..fddfaad 100644
--- a/Tethering/tests/integration/AndroidManifest.xml
+++ b/Tethering/tests/integration/AndroidManifest.xml
@@ -17,7 +17,6 @@
           package="com.android.networkstack.tethering.tests.integration">
 
     <uses-permission android:name="android.permission.INTERNET"/>
-    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
 
     <application android:debuggable="true">
         <uses-library android:name="android.test.runner" />