Remove trailing spaces

tool/wiki/sync_test_problem_pages.py

@@ -68,9 +68,9 @@ def CopyAndAddWarning( filename, target ):
 
     f.write( '> [!CAUTION]\n' )
     f.write( '> Please do not edit this file(page) manually since the workflow will overwrite your changes.\n' )
-    f.write( '> \n' )
+    f.write( '>\n' )
     f.write( '> This file(page) is automatically generated by the workflow `Update test problem wiki page` using the script `tool/wiki/sync_test_problem_pages.py`.\n' )
-    f.write( '> \n' )
+    f.write( '>\n' )
     f.write( '> The workflow is triggered by push changes to any of `example/test_problem/*/*/README.md` and `tool/wiki/sync_test_problem_pages.py`.\n' )
     f.write( '\n' )
     f.write( 'Before going to the test problem, please check out the demos in [[Quick Start]].\n' )