Loosen TileEntity's default hasCapability implementation. Modders should specifically opt in.

patches/minecraft/net/minecraft/tileentity/TileEntity.java.patch

@@ -65,7 +65,7 @@
      public double func_145835_a(double p_145835_1_, double p_145835_3_, double p_145835_5_)
      {
          double d0 = (double)this.field_174879_c.func_177958_n() + 0.5D - p_145835_1_;
-@@ -279,4 +293,185 @@
+@@ -279,4 +293,183 @@
          func_145826_a(TileEntityFlowerPot.class, "FlowerPot");
          func_145826_a(TileEntityBanner.class, "Banner");
      }
@@ -229,8 +229,6 @@
 +
 +    public boolean hasCapability(net.minecraftforge.common.capabilities.Capability<?> capability, net.minecraft.util.EnumFacing facing)
 +    {
-+        if (getCapability(capability, facing) != null)
-+            return true;
 +        return capabilities == null ? false : capabilities.hasCapability(capability, facing);
 +    }
 +