Remove Greyscale from pre-installed apps.

It is now the default theme through the overlay.

config/common.mk

@@ -152,7 +152,6 @@ PRODUCT_PACKAGES += \
     Linphone \
     SimpleGallery \
     PrivacyBrowser \
-    Greyscale \
     TorBrowser \
     Orbot \
     WebView \

get-prebuilts

@@ -49,7 +49,6 @@ getPrebuild fdroid   WifiPrivacyPolice be.uhasselt.privacypolice            13
 getPrebuild fdroid   Linphone          org.linphone                         4200
 getPrebuild fdroid   SimpleGallery     com.simplemobiletools.gallery.pro    272
 getPrebuild fdroid   PrivacyBrowser    com.stoutner.privacybrowser.standard 46
-getPrebuild fdroid   Greyscale         it.lucci.cm.greyscaletheme           115
 getPrebuild fdroid   Silence           org.smssecure.smssecure              145
 getPrebuild fdroid   SnooperStopper    cz.eutopia.snooperstopper            4
 getPrebuild fdroid   BarcodeScanner    com.google.zxing.client.android      108

prebuilt/common/Android.mk

@@ -79,13 +79,6 @@ LOCAL_CERTIFICATE := PRESIGNED
 LOCAL_SRC_FILES := apps/PrivacyBrowser.apk
 include $(BUILD_PREBUILT)
 
-include $(CLEAR_VARS)
-LOCAL_MODULE := Greyscale
-LOCAL_MODULE_CLASS := APPS
-LOCAL_CERTIFICATE := PRESIGNED
-LOCAL_SRC_FILES := apps/Greyscale.apk
-include $(BUILD_PREBUILT)
-
 include $(CLEAR_VARS)
 LOCAL_MODULE := TorBrowser
 LOCAL_MODULE_CLASS := APPS