www: remove website content

Website content is simplified now docs are built with sphinx and hosted
on Read The Docs. Remaining website content is moved from master branch
to gh-pages branch.

Makefile

@@ -1,4 +1,4 @@
-.PHONY: doc pkgdoc www initdir install uninstall dist dist-tar dist-gzip \
+.PHONY: doc pkgdoc initdir install uninstall dist dist-tar dist-gzip \
 	dist-bzip2 srpm clean distclean test testinstall instrument testcoverage
 
 # definitions for code coverage
@@ -34,9 +34,6 @@ pkgdoc: version.inc
 doc: version.inc
 	make -C doc all
 
-www:
-	make -C www all
-
 # build version.inc shared definitions from git repository info
 ifeq ($(wildcard .git) $(wildcard version.inc.in),.git version.inc.in)
 GIT_CURRENT_TAG := $(shell git describe --tags --abbrev=0)
@@ -264,9 +261,6 @@ endif
 ifneq ($(wildcard $(COMPAT_DIR)/Makefile),)
 	make -C compat clean
 endif
-ifneq ($(wildcard www),)
-	make -C www clean
-endif
 
 distclean: clean
 	rm -f Makefile.inc