!7117 [MSLITE] add mobilefacenet model

Merge pull request !7117 from ghzl/fix-mobileface-net

mindspore/lite/test/models_mindspore.cfg

@@ -5,4 +5,5 @@ shufflenetv2.mindir
 inceptionv3.mindir
 googlenet.mindir
 retinaface.mindir
+mobilefacenet.mindir
 resnext50.mindir

mindspore/lite/tools/converter/legacy_optimizer/graph/trans_format_insert_pass.cc

@@ -93,11 +93,7 @@ bool TransOpInsertPass::CanFusion(schema::MetaGraphT *graph, const std::unique_p
       return has_trans_count >= half_count;
     }
   }
-  if (total_node_count % 2 == 0) {
-    can_fusion = has_trans_count > half_count;
-  } else {
-    can_fusion = has_trans_count >= half_count;
-  }
+  can_fusion = has_trans_count > half_count;
   return can_fusion;
 }