Remove header from LOCAL_SRC_FILES

The build system does not use headers in LOCAL_SRC_FILES. To prevent
typos, it's becoming a warning to add something to LOCAL_SRC_FILES that
is not used.

Change-Id: I0ced87726dae5fcd4209d9ff1f83fa611817ecd3
diff --git a/boot_control_copy/Android.mk b/boot_control_copy/Android.mk
index 47bd6c2..6e55d05 100644
--- a/boot_control_copy/Android.mk
+++ b/boot_control_copy/Android.mk
@@ -3,7 +3,7 @@
 LOCAL_PATH := $(call my-dir)
 include $(CLEAR_VARS)
 
-LOCAL_SRC_FILES := boot_control_copy.c bootinfo.h bootinfo.c
+LOCAL_SRC_FILES := boot_control_copy.c bootinfo.c
 LOCAL_CFLAGS := -Wall -Wno-missing-field-initializers
 LOCAL_C_INCLUDES := system/core/mkbootimg bootable/recovery
 LOCAL_SHARED_LIBRARIES := libcutils
@@ -11,5 +11,4 @@
 
 LOCAL_MODULE_RELATIVE_PATH := hw
 LOCAL_MODULE:= bootctrl.default
-LOCAL_MODULE_TAGS := optional
 include $(BUILD_SHARED_LIBRARY)