Remove unnecessary logic to transform broadcast receiver class names

It does not appear to be necessary any more. The receiver name can be used
diretly.

Related to #7581

PiperOrigin-RevId: 522204982

robolectric/src/main/java/org/robolectric/android/internal/AndroidTestEnvironment.java

@@ -700,22 +700,7 @@ static void registerBroadcastReceivers(Application application, AndroidManifest
       for (String action : receiver.getActions()) {
         filter.addAction(action);
       }
-      String receiverClassName = replaceLastDotWith$IfInnerStaticClass(receiver.getName());
-      application.registerReceiver((BroadcastReceiver) newInstanceOf(receiverClassName), filter);
+      application.registerReceiver((BroadcastReceiver) newInstanceOf(receiver.getName()), filter);
     }
   }
-
-  private static String replaceLastDotWith$IfInnerStaticClass(String receiverClassName) {
-    String[] splits = receiverClassName.split("\\.", 0);
-    String staticInnerClassRegex = "[A-Z][a-zA-Z]*";
-    if (splits.length > 1
-        && splits[splits.length - 1].matches(staticInnerClassRegex)
-        && splits[splits.length - 2].matches(staticInnerClassRegex)) {
-      int lastDotIndex = receiverClassName.lastIndexOf(".");
-      StringBuilder buffer = new StringBuilder(receiverClassName);
-      buffer.setCharAt(lastDotIndex, '$');
-      return buffer.toString();
-    }
-    return receiverClassName;
-  }
 }