Removed AEApi

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

src/main/java/team/chisel/ctm/api/IFacade.java

@@ -1,14 +1,14 @@
 package team.chisel.ctm.api;
 
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+
 import net.minecraft.block.BlockState;
 import net.minecraft.util.Direction;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.IBlockReader;
 import net.minecraft.world.World;
 
-import javax.annotation.Nonnull;
-import javax.annotation.Nullable;
-
 /**
  * To be implemented on blocks that "hide" another block inside, so connected textures can still be accomplished.
  */