Rename mkf2fsuserimg.sh and mksquashfsimage.sh

See other cl in this topic for more information.

Bug: 198619163
Test: Presubmits
Change-Id: Ib39e8513a303a12e8bb6464a114ec39aa087d58a
diff --git a/core/config.mk b/core/config.mk
index 9e4b93a..51e140d 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -603,8 +603,8 @@
 MKEXTUSERIMG := $(HOST_OUT_EXECUTABLES)/mkuserimg_mke2fs
 MKE2FS_CONF := system/extras/ext4_utils/mke2fs.conf
 MKEROFS := $(HOST_OUT_EXECUTABLES)/mkfs.erofs
-MKSQUASHFSUSERIMG := $(HOST_OUT_EXECUTABLES)/mksquashfsimage.sh
-MKF2FSUSERIMG := $(HOST_OUT_EXECUTABLES)/mkf2fsuserimg.sh
+MKSQUASHFSUSERIMG := $(HOST_OUT_EXECUTABLES)/mksquashfsimage
+MKF2FSUSERIMG := $(HOST_OUT_EXECUTABLES)/mkf2fsuserimg
 SIMG2IMG := $(HOST_OUT_EXECUTABLES)/simg2img$(HOST_EXECUTABLE_SUFFIX)
 E2FSCK := $(HOST_OUT_EXECUTABLES)/e2fsck$(HOST_EXECUTABLE_SUFFIX)
 TUNE2FS := $(HOST_OUT_EXECUTABLES)/tune2fs$(HOST_EXECUTABLE_SUFFIX)