Fix camera player head being visible while in third person

src/main/java/com/replaymod/replay/camera/CameraEntity.java

@@ -237,6 +237,14 @@ public class CameraEntity extends EntityPlayerSP {
         return ReplayModReplay.instance.getReplayHandler().isCameraView(); // Make sure we're treated as spectator
     }
 
+    @Override
+    public boolean shouldRenderInPass(int pass) {
+        // Never render the camera
+        // This is necessary to hide the player head in third person mode and to not
+        // cause any unwanted shadows when rendering with shaders.
+        return false;
+    }
+
     @Override
     public ResourceLocation getLocationSkin() {
         Entity view = mc.getRenderViewEntity();