Makefile: simplify

Author: andreypopp

Makefile

@@ -28,13 +28,5 @@ publish:
 	npm publish
 
 define release
-	VERSION=`node -pe "require('./package.json').version"` && \
-	NEXT_VERSION=`node -pe "require('semver').inc(\"$$VERSION\", '$(1)')"` && \
-  node -e "\
-  	var j = require('./package.json');\
-  	j.version = \"$$NEXT_VERSION\";\
-  	var s = JSON.stringify(j, null, 2);\
-  	require('fs').writeFileSync('./package.json', s);" && \
-  git commit -m "release $$NEXT_VERSION" -- package.json && \
-  git tag "$$NEXT_VERSION" -m "release $$NEXT_VERSION"
+	npm version $(1)
 endef