Remove unused QAUTILS_FILES.txt

It is superseded by NON_PRODUCTION_FILES.txt
Co-authored-by: NMark Sliva <msliva@pivotal.io>
Co-authored-by: NAmil Khanzada <akhanzada@pivotal.io>

gpAux/Makefile

@@ -346,9 +346,6 @@ devel : gccVersionCheck HOMEDEP $(ISCONFIG)
 endif
 	$(BUILD_STEPS)
 
-ifneq "$(findstring $(BLD_GPDB_BUILDSET),partial aix_subset)" ""
-	@$(MAKE) qautils-tarball INSTLOC=$(INSTLOC)
-endif
 #---------------------------------------------------------------------
 # Release builds
 #---------------------------------------------------------------------
@@ -714,14 +711,6 @@ HOMEFAIL :
 	@echo
 	@exit 1
 
-##
-## Create qautils tarball.  This file contains the utils required to
-## support cdbfast runs.
-##
-
-qautils-tarball:
-	@$(TAR) -zcf releng/qautils-$(MPP_ARCH).tar.gz -C $(INSTLOC) $(shell cat releng/QAUTILS_FILES.txt)
-
 #---------------------------------------------------------------------
 # Cleanup
 #---------------------------------------------------------------------

gpAux/releng/QAUTILS_FILES.txt

-bin/explain.pl
-bin/explain.pm
-bin/gptorment.pl
-bin/pgbench