Remove check git status

Remove check of changes in git because the code is merged into
the target branch and therefore there may be changes with respect
of the pr.

Signed-off-by: Pablo Chacin <pchacin@suse.com>

ci/jenkins/pipelines/prs/skuba-test.Jenkinsfile

@@ -172,10 +172,6 @@ pipeline {
 
             sh(script: 'make lint', label: 'make lint')
 
-            echo 'Checking status of git tree'
-
-            sh(script: 'test -z "$(git status --porcelain go.mod go.sum vendor/)" || { echo "there are uncommitted changes. This should never happen; diff:"; git diff; exit 1; }', label: 'git tree status')
-
             echo 'Updating GitHub status for code-lint'
             sh(script: "${PR_MANAGER} update-pr-status ${pr_context} 'success'", label: "Sending success status")