Update thefuck-alias entry point

setup.py

@@ -17,4 +17,5 @@ setup(name='thefuck',
       zip_safe=False,
       install_requires=['pathlib', 'psutil', 'colorama', 'six'],
       entry_points={'console_scripts': [
-          'thefuck = thefuck.main:main', 'thefuck-alias = thefuck.main:alias']})
+          'thefuck = thefuck.main:main',
+          'thefuck-alias = thefuck.shells:app_alias']})

thefuck/main.py

@@ -121,10 +121,6 @@ def run_rule(rule, command, settings):
         print(new_command)
 
 
-def alias():
-    print(shells.app_alias())
-
-
 def main():
     colorama.init()
     user_dir = setup_user_dir()