Fix Removing child elements causes crash

https://github.com/react-native-community/react-native-svg/issues/789

android/src/main/java/com/horcrux/svg/SvgView.java

@@ -52,13 +52,6 @@ public class SvgView extends ReactViewGroup implements ReactCompoundView {
         super(reactContext);
     }
 
-    @Override
-    public void addView(View child, int index, LayoutParams params) {
-        if (!(child instanceof RenderableView)) {
-            super.addView(child, index, params);
-        }
-    }
-
     @Override
     public void setId(int id) {
         super.setId(id);

android/src/main/java/com/horcrux/svg/SvgViewManager.java

@@ -97,4 +97,9 @@ class SvgViewManager extends ReactViewManager {
         mTagToShadowNode.remove(tag);
         mTagToSvgView.remove(tag);
     }
+
+    @Override
+    public boolean needsCustomLayoutForChildren() {
+        return true;
+    }
 }