Removed linting steps for production environment.
Removed grunt force option.

Since we are no longer linting in production by default, this will not be necessary.
Merge branch 'prevent_production_lenting' of https://github.com/egdelwonk/mean into egdelwonk-prevent_production_lenting

# By William Golden
# Via William Golden
* 'prevent_production_lenting' of https://github.com/egdelwonk/mean:
  Removed grunt force option.
  Removed linting steps for production environment.

Conflicts:
	Gruntfile.js