[unity] Fixed snowglobe sample skeleton assets.

spine-unity/Assets/Spine/Samples~/Spine Examples/Spine Skeletons/snowglobe/snowglobe-pro_SkeletonData.asset

@@ -12,7 +12,7 @@ MonoBehaviour:
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@@ -21,8 +21,6 @@ MonoBehaviour:
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spine-unity/Assets/Spine/Samples~/Spine Examples/Spine Skeletons/snowglobe/snowglobe_4.png.meta

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spine-unity/Assets/Spine/Samples~/Spine Examples/Spine Skeletons/snowglobe/snowglobe_5.png.meta

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spine-unity/Assets/Spine/Samples~/Spine Examples/Spine Skeletons/snowglobe/snowglobe_snowglobe_4-Multiply.mat

@@ -1,47 +0,0 @@
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spine-unity/Assets/Spine/Samples~/Spine Examples/Spine Skeletons/snowglobe/snowglobe_snowglobe_4-Multiply.mat.meta

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