galaxys2-common: Cleanup common tree

- res/charger .pngs are not used anymore, we adopted aosp charging animation
- setprop ro.crypto.keyfile.userdata /efs/metadata is not used anymore,
crypto key is now at /data footer
- BOARD_USE_SAMSUNG_COLORFORMAT flag was duplicated

Change-Id: I1abc3b5d2a12027c4f461ea2d1ad21ba51e5c60e

BoardCommonConfig.mk

@@ -18,8 +18,6 @@
 # This variable is set first, so it can be overridden
 # by BoardConfigVendor.mk
 BOARD_USES_GENERIC_AUDIO := false
-BOARD_USE_SAMSUNG_COLORFORMAT := true
-USE_SAMSUNG_COLORFORMAT := true
 BOARD_USES_LEGACY_MMAP := true
 TARGET_CPU_ABI := armeabi-v7a
 TARGET_CPU_ABI2 := armeabi

rootdir/init.smdk4210.rc

@@ -329,9 +329,6 @@ on boot
     chmod 0600 /dev/pn544
     chown nfc nfc /dev/pn544
 
-# Device Encryption by B2B Security Lab. 
-    setprop ro.crypto.keyfile.userdata /efs/metadata
-
 # fake some battery state
     setprop status.battery.state Slow
     setprop status.battery.level 5