Merge "Remove obsolete make settings"

am: 757345ecb6

Change-Id: I0cfadebe814cb80e28bcdf3e8fe4a0338454ad66

core/config.mk

@@ -48,19 +48,6 @@ backslash := $(patsubst %a,%,$(backslash))
 # Prevent accidentally changing these variables
 .KATI_READONLY := SHELL empty space comma newline pound backslash
 
-# this turns off the suffix rules built into make
-.SUFFIXES:
-
-# this turns off the RCS / SCCS implicit rules of GNU Make
-% : RCS/%,v
-% : RCS/%
-% : %,v
-% : s.%
-% : SCCS/s.%
-
-# If a rule fails, delete $@.
-.DELETE_ON_ERROR:
-
 # Mark variables that should be coming as environment variables from soong_ui
 # as readonly
 .KATI_READONLY := OUT_DIR TMPDIR BUILD_DATETIME_FILE