Revert "Merge pull request #9029 from michaeljb/fix-9026"

This reverts commit f7802e2, reversing
changes made to 401c561.

lib/engine/game/base.rb

@@ -2083,9 +2083,6 @@ def bankruptcy_limit_reached?
 
       def update_tile_lists(tile, old_tile)
         add_extra_tile(tile) if tile.unlimited
-
-        raise GameError, "Cannot lay tile #{tile.id}; it is already on hex #{tile.hex.id}" if tile.hex
-
         @tiles.delete(tile)
         @tiles << old_tile unless old_tile.preprinted
       end

lib/engine/game/double_sided_tiles.rb

@@ -1,7 +1,5 @@
 # frozen_string_literal: true
 
-require_relative '../game_error'
-
 # This module is used by games which double sided tiles, providing methods for
 # initializing double-sided tiles and keeping tile lists updated appropriately.
 module DoubleSidedTiles
@@ -16,7 +14,7 @@ def initialize_tile_opposites!
       num = by_name[name_a].size
 
       if num != by_name[name_b].size
-        raise Engine::GameError, "Sides of double-sided tiles need to have same number (#{name_a}, #{name_b})"
+        raise GameError, "Sides of double-sided tiles need to have same number (#{name_a}, #{name_b})"
       end
 
       num.times.each do |index|
@@ -44,11 +42,6 @@ def update_tile_lists(tile, old_tile)
         end
       end
 
-      raise Engine::GameError, "Cannot lay tile #{tile.id}; it is already on hex #{tile.hex.id}" if tile.hex
-      if tile.opposite&.hex
-        raise Engine::GameError, "Cannot lay tile #{tile.id}; #{tile.opposite.id} is already on hex #{tile.opposite.hex.id}"
-      end
-
       @tiles.delete(tile)
       if tile.opposite
         @tiles.delete(tile.opposite)