Remove debug logging of keypresses (#3075)

While only present in a Log.d call, which should be stripped out of release
builds, this feels like an unnecessary privacy risk.

app/src/main/java/com/keylesspalace/tusky/components/compose/ComposeActivity.kt

@@ -1092,7 +1092,6 @@ class ComposeActivity :
     }
 
     override fun onKeyDown(keyCode: Int, event: KeyEvent): Boolean {
-        Log.d(TAG, event.toString())
         if (event.action == KeyEvent.ACTION_DOWN) {
             if (event.isCtrlPressed) {
                 if (keyCode == KeyEvent.KEYCODE_ENTER) {