Downgrade Less to v2

v3 has bugs with multiple plugins; this keeps things simple and matches other IPFS website projects (which are holding back from v3 for the same reason).

Licese: MIT
Signed-off-by: Rob Brackett <rob@robbrackett.com>

Makefile

@@ -39,8 +39,7 @@ install: node_modules resources
 css:
 	# Dual calls to less because there seems to be a bug with multiple plugins in v3 :(
 	# https://github.com/less/less.js/issues/3187
-	$(PREPEND)$(NPMBIN)/lessc --autoprefix src/styles/main.less static-build/assets/main.css && \
-	$(NPMBIN)/lessc --clean-css static-build/assets/main.css static-build/assets/main.css $(APPEND)
+	$(PREPEND)$(NPMBIN)/lessc -clean-css --autoprefix src/styles/main.less static-build/assets/main.css $(APPEND)
 
 build: clean install css
 	$(PREPEND)hugo && \
@@ -49,7 +48,7 @@ build: clean install css
 
 dev: css
 	$(PREPEND)( \
-		$(NPMBIN)/nodemon --watch src/styles --ext less,css --exec "$(NPMBIN)/lessc --autoprefix src/styles/main.less static-build/assets/main.css && $(NPMBIN)/lessc --clean-css static-build/assets/main.css static-build/assets/main.css" & \
+		$(NPMBIN)/nodemon --watch src/styles --ext less,css --exec "$(NPMBIN)/lessc -clean-css --autoprefix src/styles/main.less static-build/assets/main.css" & \
 		hugo server -w --port $(PORT) \
 	)