Remove obsolete camera shortcut

# Conflicts:
#	src/main/res/xml/shortcuts.xml

Author: Mygod

src/main/res/drawable/ic_qu_camera_launcher.xml

@@ -8,12 +8,4 @@
                 android:targetPackage="net.htcp.shadowsocksr"
                 android:targetClass="com.github.shadowsocks.QuickToggleShortcut" />
     </shortcut>
-    <shortcut android:shortcutId="scan"
-              android:icon="@drawable/ic_qu_camera_launcher"
-              android:shortcutShortLabel="@string/add_profile_methods_scan_qr_code"
-              android:shortcutLongLabel="@string/add_profile_methods_scan_qr_code">
-        <intent android:action="android.intent.action.MAIN"
-                android:targetPackage="net.htcp.shadowsocksr"
-                android:targetClass="com.github.shadowsocks.ScannerActivity" />
-    </shortcut>
 </shortcuts>