Reduced Warning Count By 130 For Full Rebuilds (#26518)

* remove deprecated entity coordinate extension functions. Reduces warning count by approximately 50

* final toCoords Removed

* Remove all unused variables and dead code paths

* remove always true variable, should be a cvar or something instead

* remove superfluous variables from tests

Content.Shared/Coordinates/EntityCoordinatesExtensions.cs

@@ -1,6 +1,5 @@
 using System.Numerics;
 using Robust.Shared.Map;
-using Robust.Shared.Map.Components;
 
 namespace Content.Shared.Coordinates
 {
@@ -20,17 +19,5 @@ namespace Content.Shared.Coordinates
         {
             return new EntityCoordinates(id, x, y);
         }
-
-        [Obsolete]
-        public static EntityCoordinates ToCoordinates(this MapGridComponent grid, float x, float y)
-        {
-            return ToCoordinates(grid.Owner, x, y);
-        }
-
-        [Obsolete]
-        public static EntityCoordinates ToCoordinates(this MapGridComponent grid)
-        {
-            return ToCoordinates(grid.Owner, Vector2.Zero);
-        }
     }
 }