Revert "Fix #9870: Don't update infrastructure totals when overbuilding object on canal"

This reverts commit 37d318c410.

Use 0a31b27a20 instead.

src/water_cmd.cpp

@@ -537,14 +537,11 @@ CommandCost CmdBuildCanal(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32
 					FALLTHROUGH;
 
 				default:
-					/* If we overbuild a water object with a canal, don't update the infrastructure total. */
-					bool is_existing_canal = IsTileType(current_tile, MP_WATER) && IsCanal(current_tile);
-					if (Company::IsValidID(_current_company) && !is_existing_canal) {
+					MakeCanal(current_tile, _current_company, Random());
+					if (Company::IsValidID(_current_company)) {
 						Company::Get(_current_company)->infrastructure.water++;
 						DirtyCompanyInfrastructureWindows(_current_company);
 					}
-
-					MakeCanal(current_tile, _current_company, Random());
 					break;
 			}
 			MarkTileDirtyByTile(current_tile);