made signature similar to java

Author: riteshshukla04

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/bridge/UiThreadUtil.kt

@@ -83,8 +83,8 @@
 
      /** Removes the given [Runnable] on the UI thread. */
      @JvmStatic
-     public fun removeOnUiThread(runnable: Runnable?) {
-         runnable?.let { mainHandler.removeCallbacks(it) }
+     public fun removeOnUiThread(runnable: Runnable) {
+           mainHandler.removeCallbacks(runnable) 
      }
  }
 

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/views/debuggingoverlay/DebuggingOverlay.kt

@@ -35,7 +35,9 @@ internal class DebuggingOverlay(context: Context) : View(context) {
     for (traceUpdate in traceUpdates) {
       val traceUpdateId = traceUpdate.id
       if (traceUpdateIdToCleanupRunnableMap.containsKey(traceUpdateId)) {
-        UiThreadUtil.removeOnUiThread(traceUpdateIdToCleanupRunnableMap[traceUpdateId])
+        traceUpdateIdToCleanupRunnableMap[traceUpdateId]?.let { runnable ->
+          UiThreadUtil.removeOnUiThread(runnable)
+        }
         traceUpdateIdToCleanupRunnableMap.remove(traceUpdateId)
       }