Bug 1412460 - Remove targets related to VCS operations; r=mshal

These targets no longer exist in client.mk. I'm not sure when they
were removed. But this is obviously dead code.

A target in rules.mk pointing back to this target in client.mk has
also been removed.

MozReview-Commit-ID: 5v1MOOTP3qq

--HG--
extra : rebase_source : b90f0788b074330b45005223f41c804589d13163

client.mk

@@ -339,16 +339,13 @@ echo-variable-%:
 # in parallel.
 .NOTPARALLEL:
 
-.PHONY: checkout \
-    real_checkout \
+.PHONY: \
     realbuild \
     build \
     profiledbuild \
-    pull_all \
     build_all \
     clobber \
     clobber_all \
-    pull_and_build_all \
     configure \
     preflight_all \
     postflight_all \

config/rules.mk

@@ -543,9 +543,6 @@ endif # NO_PROFILE_GUIDED_OPTIMIZE
 
 ##############################################
 
-checkout:
-	$(MAKE) -C $(topsrcdir) -f client.mk checkout
-
 clean clobber realclean clobber_all::
 	-$(RM) $(ALL_TRASH)
 	-$(RM) -r $(ALL_TRASH_DIRS)
@@ -1548,7 +1545,7 @@ endif
 # Fake targets.  Always run these rules, even if a file/directory with that
 # name already exists.
 #
-.PHONY: all alltags boot checkout chrome realchrome clean clobber clobber_all export install libs makefiles realclean run_apprunner tools $(DIRS) FORCE
+.PHONY: all alltags boot chrome realchrome clean clobber clobber_all export install libs makefiles realclean run_apprunner tools $(DIRS) FORCE
 
 # Used as a dependency to force targets to rebuild
 FORCE: