delete even more unused imports

Author: stephengold

jme3-plugins/src/gltf/java/com/jme3/scene/plugins/gltf/LightsPunctualExtensionLoader.java

@@ -34,7 +34,6 @@
 import com.google.gson.JsonArray;
 import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
-import com.jme3.asset.AssetKey;
 import com.jme3.asset.AssetLoadException;
 import com.jme3.light.DirectionalLight;
 import com.jme3.light.Light;
@@ -45,14 +44,9 @@
 import com.jme3.math.Vector3f;
 import com.jme3.scene.Node;
 import com.jme3.scene.control.LightControl;
-
-import java.io.IOException;
 import java.util.HashMap;
 import java.util.HashSet;
 
-import static com.jme3.scene.plugins.gltf.GltfUtils.getAsColor;
-import static com.jme3.scene.plugins.gltf.GltfUtils.getAsFloat;
-
 /**
  * Extension loader for KHR_lights_punctual extension which allows
  * for lights to be added to the node from the gltf model.

jme3-plugins/src/gltf/java/com/jme3/scene/plugins/gltf/UnlitExtensionLoader.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2020 jMonkeyEngine
+ * Copyright (c) 2009-2021 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,11 +34,6 @@
 import com.google.gson.JsonElement;
 import com.jme3.asset.AssetKey;
 
-import java.io.IOException;
-
-import static com.jme3.scene.plugins.gltf.GltfUtils.getAsColor;
-import static com.jme3.scene.plugins.gltf.GltfUtils.getAsFloat;
-
 /**
  * Material adapter for the Unlit pipeline
  * @author Markil 3