MC Forge: Don't render the sides of adjacent blocks when using transparency in a texture

ForgeBlockMethod.java

@SideOnly(Side.CLIENT)
public boolean shouldSideBeRendered(IBlockAccess world, int x, int y, int z, int side) {
        Block block = world.getBlock(x, y, z);
        if (block == this) {
            return false;
        }

        return super.shouldSideBeRendered(world, x, y, z, side);
    }