Remove redundant words

client/components/sidebar/sidebarFilters.jade

@@ -75,8 +75,8 @@ template(name="multiselectionSidebar")
 
 template(name="disambiguateMultiLabelPopup")
   p {{_ 'what-to-do'}}
-  button.wide.js-remove-label Remove {{_ 'remove-label'}}
-  button.wide.js-add-label Add {{_ 'add-label'}}
+  button.wide.js-remove-label {{_ 'remove-label'}}
+  button.wide.js-add-label {{_ 'add-label'}}
 
 template(name="disambiguateMultiMemberPopup")
   p {{_ 'what-to-do'}}