Fix copy paste error (#1245)

Fixes #1242
diff --git a/lottie/src/main/java/com/airbnb/lottie/PerformanceTracker.java b/lottie/src/main/java/com/airbnb/lottie/PerformanceTracker.java
index e41cbff..d16c671 100644
--- a/lottie/src/main/java/com/airbnb/lottie/PerformanceTracker.java
+++ b/lottie/src/main/java/com/airbnb/lottie/PerformanceTracker.java
@@ -64,7 +64,7 @@
   }
 
   @SuppressWarnings("unused") public void removeFrameListener(FrameListener frameListener) {
-    frameListeners.add(frameListener);
+    frameListeners.remove(frameListener);
   }
 
   public void clearRenderTimes() {