remove duplicated file name in tidy comment

resolves #63

Technically, this fixes an undesired behavior introduced in #49.

cpp_linter/rest_api/__init__.py

@@ -98,9 +98,8 @@ def make_comment(
         for file_obj, concern in zip(files, tidy_advice):
             for note in concern.notes:
                 if file_obj.name == note.filename:
-                    tidy_comment += f"- {file_obj.name}\n\n"
                     tidy_comment += (
-                        "   <strong>{filename}:{line}:{cols}:</strong> ".format(
+                        "- <strong>{filename}:{line}:{cols}:</strong> ".format(
                             filename=file_obj.name,
                             line=note.line,
                             cols=note.cols,