Revert "PLT-2183 Slash command auto-complete"

webapp/components/suggestion/command_provider.jsx

@@ -37,9 +37,9 @@ CommandSuggestion.propTypes = {
 };
 
 export default class CommandProvider {
-    handlePretextChanged(suggestionId, pretext, channelId) {
+    handlePretextChanged(suggestionId, pretext) {
         if (pretext.startsWith('/')) {
-            AsyncClient.getSuggestedCommands(pretext, channelId, suggestionId, CommandSuggestion);
+            AsyncClient.getSuggestedCommands(pretext, suggestionId, CommandSuggestion);
         }
     }
 }

webapp/components/suggestion/suggestion_box.jsx

@@ -111,7 +111,7 @@ export default class SuggestionBox extends React.Component {
 
     handlePretextChanged(pretext) {
         for (const provider of this.props.providers) {
-            provider.handlePretextChanged(this.suggestionId, pretext, this.props.channelId);
+            provider.handlePretextChanged(this.suggestionId, pretext);
         }
     }
 
@@ -160,7 +160,6 @@ SuggestionBox.propTypes = {
     value: React.PropTypes.string.isRequired,
     onUserInput: React.PropTypes.func,
     providers: React.PropTypes.arrayOf(React.PropTypes.object),
-    channelId: React.PropTypes.string,
 
     // explicitly name any input event handlers we override and need to manually call
     onChange: React.PropTypes.func,