Remove non-functional DuckDuckGo Autocomplete Provider

src/SlashCommands.tsx

@@ -245,21 +245,6 @@ export const Commands = [
         },
         category: CommandCategories.messages,
     }),
-    new Command({
-        command: 'ddg',
-        args: '<query>',
-        description: _td('Searches DuckDuckGo for results'),
-        runFn: function() {
-            // TODO Don't explain this away, actually show a search UI here.
-            Modal.createTrackedDialog('Slash Commands', '/ddg is not a command', ErrorDialog, {
-                title: _t('/ddg is not a command'),
-                description: _t('To use it, just wait for autocomplete results to load and tab through them.'),
-            });
-            return success();
-        },
-        category: CommandCategories.actions,
-        hideCompletionAfterSpace: true,
-    }),
     new Command({
         command: 'upgraderoom',
         args: '<new_version>',

src/autocomplete/Autocompleter.ts

@@ -20,7 +20,6 @@ import { Room } from 'matrix-js-sdk/src/models/room';
 
 import CommandProvider from './CommandProvider';
 import CommunityProvider from './CommunityProvider';
-import DuckDuckGoProvider from './DuckDuckGoProvider';
 import RoomProvider from './RoomProvider';
 import UserProvider from './UserProvider';
 import EmojiProvider from './EmojiProvider';
@@ -55,7 +54,6 @@ const PROVIDERS = [
     EmojiProvider,
     NotifProvider,
     CommandProvider,
-    DuckDuckGoProvider,
 ];
 
 if (SpaceStore.spacesEnabled) {

src/autocomplete/CommandProvider.tsx

@@ -53,7 +53,7 @@ export default class CommandProvider extends AutocompleteProvider {
             // The input looks like a command with arguments, perform exact match
             const name = command[1].substr(1); // strip leading `/`
             if (CommandMap.has(name) && CommandMap.get(name).isEnabled()) {
-                // some commands, namely `me` and `ddg` don't suit having the usage shown whilst typing their arguments
+                // some commands, namely `me` don't suit having the usage shown whilst typing their arguments
                 if (CommandMap.get(name).hideCompletionAfterSpace) return [];
                 matches = [CommandMap.get(name)];
             }

src/i18n/strings/en_EN.json

@@ -426,9 +426,6 @@
     "Prepends ( ͡° ͜ʖ ͡°) to a plain-text message": "Prepends ( ͡° ͜ʖ ͡°) to a plain-text message",
     "Sends a message as plain text, without interpreting it as markdown": "Sends a message as plain text, without interpreting it as markdown",
     "Sends a message as html, without interpreting it as markdown": "Sends a message as html, without interpreting it as markdown",
-    "Searches DuckDuckGo for results": "Searches DuckDuckGo for results",
-    "/ddg is not a command": "/ddg is not a command",
-    "To use it, just wait for autocomplete results to load and tab through them.": "To use it, just wait for autocomplete results to load and tab through them.",
     "Upgrades a room to a new version": "Upgrades a room to a new version",
     "You do not have the required permissions to use this command.": "You do not have the required permissions to use this command.",
     "Changes your display nickname": "Changes your display nickname",
@@ -3002,8 +2999,6 @@
     "Commands": "Commands",
     "Command Autocomplete": "Command Autocomplete",
     "Community Autocomplete": "Community Autocomplete",
-    "Results from DuckDuckGo": "Results from DuckDuckGo",
-    "DuckDuckGo Results": "DuckDuckGo Results",
     "Emoji": "Emoji",
     "Emoji Autocomplete": "Emoji Autocomplete",
     "Notify the whole room": "Notify the whole room",