build: Drop autotools support

Complete the switch to meson and drop autotools support ...

https://bugzilla.gnome.org/show_bug.cgi?id=785153

js/Makefile.am

@@ -1,39 +0,0 @@
-NULL =
-BUILT_SOURCES =
-
-misc/config.js: misc/config.js.in Makefile
-	[ -d $(@D) ] || $(mkdir_p) $(@D) ; \
-	sed -e "s|[@]PACKAGE_NAME@|$(PACKAGE_NAME)|g" \
-	    -e "s|[@]PACKAGE_VERSION@|$(PACKAGE_VERSION)|g" \
-	    -e "s|[@]HAVE_BLUETOOTH@|$(HAVE_BLUETOOTH)|g" \
-	    -e "s|[@]HAVE_NETWORKMANAGER@|$(HAVE_NETWORKMANAGER)|g" \
-	    -e "s|[@]GETTEXT_PACKAGE@|$(GETTEXT_PACKAGE)|g" \
-	    -e "s|[@]datadir@|$(datadir)|g" \
-	    -e "s|[@]libexecdir@|$(libexecdir)|g" \
-	    -e "s|[@]sysconfdir@|$(sysconfdir)|g" \
-	    -e "s|[@]LIBMUTTER_API_VERSION@|$(LIBMUTTER_API_VERSION)|g" \
-               $< > $@
-
-js_resource_files = $(shell $(GLIB_COMPILE_RESOURCES) --sourcedir=$(srcdir) --sourcedir=$(builddir) --generate-dependencies $(srcdir)/js-resources.gresource.xml)
-js-resources.h: js-resources.gresource.xml $(js_resource_files) misc/config.js
-	$(AM_V_GEN) $(GLIB_COMPILE_RESOURCES) --target=$@ --sourcedir=$(srcdir) --sourcedir=$(builddir) --generate --c-name shell_js_resources $<
-js-resources.c: js-resources.gresource.xml $(js_resource_files) misc/config.js
-	$(AM_V_GEN) $(GLIB_COMPILE_RESOURCES) --target=$@ --sourcedir=$(srcdir) --sourcedir=$(builddir) --generate --c-name shell_js_resources $<
-
-js_built_sources = js-resources.c js-resources.h
-
-BUILT_SOURCES += $(js_built_sources)
-
-all-local: $(js_built_sources)
-
-js_resource_dist_files = $(filter-out misc/config.js, $(js_resource_files))
-
-EXTRA_DIST = \
-	$(js_resource_dist_files) \
-	js-resources.gresource.xml \
-	misc/config.js.in \
-	$(NULL)
-
-CLEANFILES = \
-	$(js_built_sources) \
-	$(NULL)