Update to Minecraft 1.16.5

By: md_5 <git@md-5.net>

paper-server/nms-patches/BlockFireAbstract.patch

@@ -33,21 +33,8 @@
      }
  
      @Override
-@@ -83,6 +90,12 @@
-     }
- 
-     private static boolean b(World world, BlockPosition blockposition, EnumDirection enumdirection) {
-+        // CraftBukkit start - SPIGOT-6311: Do not calculate portals for up/down directions
-+        if (enumdirection == EnumDirection.UP || enumdirection == EnumDirection.DOWN) {
-+            return false;
-+        }
-+        // CraftBukkit end
-+
-         if (!a(world)) {
-             return false;
-         } else {
-@@ -103,4 +116,12 @@
-             return flag && BlockPortalShape.a((GeneratorAccess) world, blockposition, enumdirection.h().n()).isPresent();
+@@ -109,4 +116,12 @@
+             }
          }
      }
 +