Revert "GPencil: Include UV information in simplify->sample modifier."

This reverts commit 19222627c6.

Something went wrong here, seems like this commit merged the main branch
into the release branch, which should never be done.

source/blender/modifiers/intern/MOD_screw.cc

@@ -379,10 +379,6 @@ static Mesh *modifyMesh(ModifierData *md, const ModifierEvalContext *ctx, Mesh *
 
   result = BKE_mesh_new_nomain_from_template(
       mesh, int(maxVerts), int(maxEdges), 0, int(maxPolys) * 4, int(maxPolys));
-  /* The modifier doesn't support original index mapping on the edge or face domains. Remove
-   * original index layers, since otherwise edges aren't displayed at all in wireframe view. */
-  CustomData_free_layers(&result->edata, CD_ORIGINDEX, result->totedge);
-  CustomData_free_layers(&result->pdata, CD_ORIGINDEX, result->totedge);
 
   const float(*vert_positions_orig)[3] = BKE_mesh_vert_positions(mesh);
   const MEdge *medge_orig = BKE_mesh_edges(mesh);