Reverted changes in build.py

Author: DuesselbergAdrian

.github/workflows/root-ci-config/build_root.py

@@ -434,10 +434,7 @@ def rebase(directory: str, repository:str, base_ref: str, head_ref: str, head_sh
         git config user.name 'ROOT Continous Integration'
 
         git fetch {repository} {branch}
-        git checkout {head_ref} -f
-        git status
-        git diff
-        git reset --hard
+        git checkout {head_ref}
         git rebase {base_ref}
     """)