potter: update display flags

BoardConfig.mk

@@ -94,16 +94,12 @@ BOARD_HARDWARE_CLASS += hardware/cyanogen/cmhw
 TARGET_HW_DISK_ENCRYPTION := true
 
 # Display
-HAVE_ADRENO_SOURCE:= false
 BOARD_USES_ADRENO := true
 NUM_FRAMEBUFFER_SURFACE_BUFFERS := 3
 OVERRIDE_RS_DRIVER := libRSDriver_adreno.so
 TARGET_USES_C2D_COMPOSITION := true
 TARGET_USES_ION := true
-TARGET_USES_NEW_ION_API := true
 USE_OPENGL_RENDERER := true
-MAX_EGL_CACHE_KEY_SIZE := 12*1024
-MAX_EGL_CACHE_SIZE := 2048*1024
 
 # Keymaster
 TARGET_PROVIDES_KEYMASTER := true
@@ -128,7 +124,6 @@ TARGET_POWERHAL_VARIANT := qcom
 
 # Qualcomm support
 BOARD_USES_QCOM_HARDWARE := true
-BOARD_USES_QC_TIME_SERVICES := true
 
 # Radio
 BOARD_PROVIDES_LIBRIL := true