NPM install latest made more effecient

`npm install` is smart enough to only update updated modules. Checking for `outdated` and running `update` repeats the same process 2x.

library/packaging/npm

@@ -209,12 +209,7 @@ def main():
             changed = True
             npm.install()
     elif state == 'latest':
-        installed, missing = npm.list()
-        outdated = npm.list_outdated()
-        if len(missing) or len(outdated):
-            changed = True
-            npm.install()
-            npm.update()
+        npm.install()
     else: #absent
         installed, missing = npm.list()
         if name in installed: