InputBar: remove unused imports

src/timeline/InputBar.cpp

@@ -21,19 +21,15 @@
 #include "Cache.h"
 #include "ChatPage.h"
 #include "CombinedImagePackModel.h"
-#include "CompletionProxyModel.h"
 #include "Config.h"
 #include "Logging.h"
 #include "MainWindow.h"
 #include "MatrixClient.h"
-#include "RoomsModel.h"
 #include "TimelineModel.h"
 #include "TimelineViewManager.h"
 #include "UserSettingsPage.h"
-#include "UsersModel.h"
 #include "Utils.h"
 #include "dialogs/PreviewUploadOverlay.h"
-#include "emoji/EmojiModel.h"
 
 #include "blurhash.hpp"