Remove setImeIsVisible/setTouchesEnabled as its already handled by insets.

Bug: 260101467
Test: manual
Change-Id: Iba22a6db61abd4be0b2a15b2e4099d9bc03ddbc9

quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java

@@ -198,14 +198,6 @@ public class TaskbarViewController implements TaskbarControllers.LoggableTaskbar
         return mTaskbarIconAlpha;
     }
 
-    /**
-     * Should be called when the IME visibility changes, so we can make Taskbar not steal touches.
-     */
-    public void setImeIsVisible(boolean isImeVisible) {
-        mTaskbarView.setTouchesEnabled(!isImeVisible
-                || DisplayController.isTransientTaskbar(mActivity));
-    }
-
     /**
      * Should be called when the recents button is disabled, so we can hide taskbar icons as well.
      */