[mod] add Makfile target lxc.clean which deletes ./lxc-env

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>

Makefile

@@ -43,6 +43,9 @@ clean: py.clean docs.clean node.clean test.clean
 	$(Q)find . -name '*~' -exec rm -f {} +
 	$(Q)find . -name '*.bak' -exec rm -f {} +
 
+lxc.clean:
+	$(Q)rm -rf lxc-env
+
 PHONY += search.checker search.checker.%
 search.checker: install
 	$(Q)./manage pyenv.cmd searx-checker -v