Makefile: drop the "glue-code" for creating the modules-file

When using the modules-file in place of config.mk and feeds.conf to
define the upstream-repos, there is no need to keep the code which
will synthesize it. This primarily reverts 7a72a84.

This also relates to
* PR #781
* Issue #780
* Issue #772

Makefile

@@ -33,23 +33,18 @@ $(error config for $(TARGET) not defined)
 endif
 
 # if any of the following files have been changed: clean up openwrt dir
-DEPS=$(TARGET_CONFIG) feeds.conf patches $(wildcard patches/*)
+DEPS=$(TARGET_CONFIG) modules patches $(wildcard patches/*)
 
 # profiles to be built (router models)
 PROFILES=$(shell cat $(FW_DIR)/profiles/$(MAINTARGET)-$(SUBTARGET).profiles)
 
 FW_REVISION=$(shell $(REVISION))
 
-define FEEDS
- $(shell ./scripts/ffberlin_feeds.sh)
-endef
-
 default: firmwares
 
 ## Gluon - Begin
 # compatibility to Gluon.buildsystem
 # * setup required makros and variables
-# * create the modules-file from config.mk and feeds.conf
 
 # check for spaces & resolve possibly relative paths
 define mkabspath
@@ -68,47 +63,6 @@ $(eval $(call mkabspath,GLUON_PATCHESDIR))
 
 export GLUON_TMPDIR GLUON_PATCHESDIR
 
-# use .stamp-gluon-module-openwrt and .stamp-gluon-module- of each feed to create modules-file
-$(FW_DIR)/modules: $(addprefix .stamp-gluon-module-,$(FEEDS)) .stamp-gluon-module-openwrt
-	rm -f $@
-	cat >>$@ .stamp-gluon-module-openwrt
-	cat >>$@ $(addprefix .stamp-gluon-module-,$(FEEDS))
-	echo >>$@ GLUON_FEEDS=\'$(FEEDS)\'
-
-.stamp-gluon-module-openwrt: $(FW_DIR)/config.mk
-	rm -f $@
-	echo >>$@ "OPENWRT_REPO=$(OPENWRT_SRC)"
-	echo >>$@ "OPENWRT_COMMIT=$(OPENWRT_COMMIT)"
-# set the $FEED-Branch
-	git clone $$(grep _REPO $@ | cut -d "=" -f 2) $(GLUON_TMPDIR)/gluon_$@
-	cd $(GLUON_TMPDIR)/gluon_$@; git name-rev --refs openwrt-* $$(grep _COMMIT $(FW_DIR)/$@ | \
-		cut -d "=" -f 2) | cut -d / -f 2 | cut -d \~ -f 1 >branchname.txt
-	cd $(GLUON_TMPDIR)/gluon_$@; grep -q master branchname.txt  || \
-		printf >>$(FW_DIR)/$@ "OPENWRT_BRANCH=%s\n" \
-			$$(echo $* | tr '[:lower:]' '[:upper:]') \
-			$$(cat branchname.txt)
-	rm -rf $(GLUON_TMPDIR)/gluon_$@
-
-.stamp-gluon-module-%: $(FW_DIR)/feeds.conf
-	rm -f $@
-# set the $FEED-REPO
-	@echo -n "PACKAGES_$*_REPO=" | tr '[:lower:]' '[:upper:]' >>$@
-	@grep -E "^src-(git|svn)[[:space:]]$*[[:space:]].*" $(FW_DIR)/feeds.conf | \
-		awk -F '([[:space:]|^])' '{ print $$3 }' >>$@
-# set the $FEED-COMMIT
-	@echo -n "PACKAGES_$*_COMMIT=" | tr '[:lower:]' '[:upper:]' >>$@
-	@grep -E "^src-(git|svn)[[:space:]]$*[[:space:]].*" $(FW_DIR)/feeds.conf | \
-		awk -F '([[:space:]|^])' '{ print $$4 }' >>$@
-# set the $FEED-Branch
-	git clone $$(grep _REPO $@ | cut -d "=" -f 2) $(GLUON_TMPDIR)/gluon_$@
-	cd $(GLUON_TMPDIR)/gluon_$@; git name-rev $$(grep _COMMIT $(FW_DIR)/$@ | \
-		cut -d "=" -f 2) | cut -d / -f 3 | cut -d \~ -f 1 >branchname.txt
-	cd $(GLUON_TMPDIR)/gluon_$@; grep -q master branchname.txt  || \
-		printf >>$(FW_DIR)/$@ "PACKAGES_%s_BRANCH=%s\n" \
-			$$(echo $* | tr '[:lower:]' '[:upper:]') \
-			$$(cat branchname.txt)
-	rm -rf $(GLUON_TMPDIR)/gluon_$@
-
 ## Gluon - End
 
 # clean up openwrt working copy
@@ -287,7 +241,6 @@ stamp-clean-%:
 
 stamp-clean:
 	rm -f .stamp-*
-	rm -f $(FW_DIR)/modules
 	rm -rf $(GLUON_TMPDIR)
 
 clean: stamp-clean .stamp-openwrt-cleaned