Removed AEApi

Moved all internal access to the internal `Api` class using a new static
getter.

src/main/java/appeng/me/helpers/AENetworkProxy.java

@@ -28,7 +28,6 @@ import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.CompoundNBT;
 import net.minecraft.util.Direction;
 
-import appeng.api.AEApi;
 import appeng.api.networking.GridFlags;
 import appeng.api.networking.GridNotification;
 import appeng.api.networking.IGrid;
@@ -45,6 +44,7 @@ import appeng.api.networking.ticking.ITickManager;
 import appeng.api.util.AEColor;
 import appeng.api.util.DimensionalCoord;
 import appeng.api.util.IOrientable;
+import appeng.core.Api;
 import appeng.core.worlddata.WorldData;
 import appeng.hooks.TickHandler;
 import appeng.me.GridAccessException;
@@ -129,7 +129,7 @@ public class AENetworkProxy implements IGridBlock {
 
     public IGridNode getNode() {
         if (this.node == null && Platform.isServer() && this.isReady) {
-            this.node = AEApi.instance().grid().createGridNode(this);
+            this.node = Api.instance().grid().createGridNode(this);
             this.readFromNBT(this.data);
             this.node.updateState();
         }