Fix #125838: Elastic deform brush does not respect mask values

Factor calculation was not being used to scale the final translation.

Also removes a seemingly mistakenly added texture calculation for the
grids PBVH type.

Pull Request: https://projects.blender.org/blender/blender/pulls/125849

source/blender/editors/sculpt_paint/brushes/elastic_deform.cc

@@ -115,6 +115,8 @@ static void calc_faces(const Sculpt &sd,
   calc_translations(
       brush, cache, kelvinet_params, cache.location, offset, orig_data.positions, translations);
 
+  scale_translations(translations, factors);
+
   write_translations(sd, object, positions_eval, verts, translations, positions_orig);
 }
 
@@ -144,13 +146,13 @@ static void calc_grids(const Sculpt &sd,
     auto_mask::calc_grids_factors(object, *cache.automasking, node, grids, factors);
   }
 
-  calc_brush_texture_factors(ss, brush, orig_data.positions, factors);
-
   tls.translations.resize(grid_verts_num);
   const MutableSpan<float3> translations = tls.translations;
   calc_translations(
       brush, cache, kelvinet_params, cache.location, offset, orig_data.positions, translations);
 
+  scale_translations(translations, factors);
+
   clip_and_lock_translations(sd, ss, orig_data.positions, translations);
   apply_translations(translations, grids, subdiv_ccg);
 }
@@ -186,6 +188,8 @@ static void calc_bmesh(const Sculpt &sd,
   calc_translations(
       brush, cache, kelvinet_params, cache.location, offset, orig_positions, translations);
 
+  scale_translations(translations, factors);
+
   clip_and_lock_translations(sd, ss, orig_positions, translations);
   apply_translations(translations, verts);
 }