ci: remove documentation xml files

Author: Rosalie241

.github/workflows/build.yml

@@ -35,9 +35,10 @@ jobs:
       - name: Build modapi-launcher-kit
         run: |
           msbuild /p:Configuration=Release /m
-      - name: Remove PDB files
+      - name: Remove PDB and XML files
         run: |
           remove-item Output\* -include *.pdb
+          remove-item Output\* -include *.xml
       - name: Package ModApiUpdate.zip
         run: |
           & "C:\Program Files\7-Zip\7z.exe" e -y SporeModAPIdlls.zip -oOutput\coreLibs