Fixed a bug with animation of removal of edges from a :class:.Graph (#2576)

* animationgroup for edge removal should not be full graph

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: behackl

manim/mobject/graph.py

@@ -1062,9 +1062,7 @@ def _remove_edges_animation(self, *edges, anim_args=None):
         animation = anim_args.pop("animation", Uncreate)
 
         mobjects = self.remove_edges(*edges)
-        return AnimationGroup(
-            *(animation(mobj, **anim_args) for mobj in mobjects), group=self
-        )
+        return AnimationGroup(*(animation(mobj, **anim_args) for mobj in mobjects))
 
     @staticmethod
     def from_networkx(nxgraph: nx.classes.graph.Graph, **kwargs) -> Graph: