Remove Artifactory tests (#2212)

* Remove Artifactory tests

The plugin is not accepting fixes to the plugin and is holding up the
removal of the CSP checks (#1809)

see
jfrog/jenkins-artifactory-plugin#952 (comment)
for the upstream comment

* Remove workaround for Artifactory in the CSPRule

* remove gradle wrapper validateion

ArtifactoryTests was the only hting using a gradle wrapper.
Remove the validation as it is now failing.

Author: jtnord

.github/workflows/verify-gradle-wrapper.yaml

@@ -36,10 +36,7 @@ public void evaluate() throws Throwable {
                 try {
                     base.evaluate();
                 } finally {
-                    // TODO enable for ArtifactoryPluginTest when JENKINS-74047 is resolved
-                    if (isEnabled()
-                            && !isSkipped()
-                            && !d.getTestClass().getName().equals("plugins.ArtifactoryPluginTest")) {
+                    if (isEnabled() && !isSkipped()) {
                         ContentSecurityPolicyReport csp = new ContentSecurityPolicyReport(jenkins);
                         jenkins.runThenHandleUserPrompt(() -> csp.open());
                         List<String> lines = csp.getReport();