C#: Remove workdir as error message when format fails.

Author: michaelnebel

csharp/ql/src/Stubs/make_stubs_nuget.py

@@ -109,7 +109,7 @@ def run_cmd(cmd, msg="Failed to run command"):
 print("\n --> Generated stub files: " + rawSrcOutputDir)
 
 print("\n* Formatting files")
-run_cmd(['dotnet', 'format', rawSrcOutputDir], workDir)
+run_cmd(['dotnet', 'format', rawSrcOutputDir])
 
 print("\n --> Generated (formatted) stub files: " + rawSrcOutputDir)