Remove TARGET_USES_MKE2FS

Nothing reads TARGET_USES_MKE2FS any more, mke2fs is always used.
Remove the requirement that TARGET_USES_MKE2FS is set, and remove
the places it is set.

Bug: 112241651
Test: m checkbuild
Change-Id: Ibdca062bbe7dcd19ba8f7ee7f8291ce746b74e65

core/config.mk

@@ -866,11 +866,6 @@ endif
 
 
 ifdef PRODUCT_SHIPPING_API_LEVEL
-  ifneq ($(call math_gt_or_eq,$(PRODUCT_SHIPPING_API_LEVEL),27),)
-    ifneq ($(TARGET_USES_MKE2FS),true)
-      $(error When PRODUCT_SHIPPING_API_LEVEL >= 27, TARGET_USES_MKE2FS must be true)
-    endif
-  endif
   ifneq ($(call numbers_less_than,$(PRODUCT_SHIPPING_API_LEVEL),$(BOARD_SYSTEMSDK_VERSIONS)),)
     $(error BOARD_SYSTEMSDK_VERSIONS ($(BOARD_SYSTEMSDK_VERSIONS)) must all be greater than or equal to PRODUCT_SHIPPING_API_LEVEL ($(PRODUCT_SHIPPING_API_LEVEL)))
   endif

target/board/BoardConfigGsiCommon.mk

@@ -9,7 +9,6 @@ TARGET_USERIMAGES_USE_EXT4 := true
 # Some vendors' bootloaders don't work properly with raw format images. So
 # we explicit specify this need below (even though it's the current default).
 TARGET_USERIMAGES_SPARSE_EXT_DISABLED := false
-TARGET_USES_MKE2FS := true
 
 # Enable dyanmic system image size and reserved 64MB in it.
 BOARD_SYSTEMIMAGE_PARTITION_RESERVED_SIZE := 67108864

target/board/treble_common.mk

@@ -34,7 +34,6 @@ TARGET_NO_KERNEL := true
 TARGET_USERIMAGES_USE_EXT4 := true
 TARGET_USERIMAGES_USE_F2FS := true
 TARGET_USERIMAGES_SPARSE_EXT_DISABLED := false
-TARGET_USES_MKE2FS := true
 
 # Enable dyanmic system image size and reserved 64MB in it.
 BOARD_SYSTEMIMAGE_PARTITION_RESERVED_SIZE := 67108864