Remove redundant language strings.

themes/bootstrap3/templates/layout/layout.phtml

@@ -37,13 +37,6 @@
             'collection_empty' => 'collection_empty',
             'error_occurred' => 'An error has occurred',
             'go_to_list' => 'go_to_list',
-            'libphonenumber_invalid' => 'libphonenumber_invalid',
-            'libphonenumber_invalidcountry' => 'libphonenumber_invalidcountry',
-            'libphonenumber_invalidregion' => 'libphonenumber_invalidregion',
-            'libphonenumber_notanumber' => 'libphonenumber_notanumber',
-            'libphonenumber_toolong' => 'libphonenumber_toolong',
-            'libphonenumber_tooshort' => 'libphonenumber_tooshort',
-            'libphonenumber_tooshortidd' => 'libphonenumber_tooshortidd',
             'loading' => 'Loading',
             'more' => 'more',
             'number_thousands_separator' => [