integrate autofit for upstream, removed forceversion

expose.cpp

@@ -36,16 +36,8 @@ extern "C"
         mmproj_filename = inputs.mmproj_filename;
         draftmodel_filename = inputs.draftmodel_filename;
 
-        int forceversion = inputs.forceversion;
-
         file_format = check_file_format(model.c_str(),&file_format_meta);
 
-        if(forceversion!=0)
-        {
-            printf("\nWARNING: FILE FORMAT FORCED TO VER %d\nIf incorrect, loading may fail or crash.\n",forceversion);
-            file_format = (FileFormat)forceversion;
-        }
-
         //first digit is whether configured, second is platform, third is devices
         int cl_parseinfo = inputs.clblast_info;