Temporarily disable SSH support, so that checkout works

Author: timja

src/main/java/org/jenkinsci/plugins/github_branch_source/GitHubSCMBuilder.java

@@ -225,32 +225,7 @@ public GitHubSCMBuilder withCredentials(String credentialsId, RepositoryUriResol
     @NonNull
     public static RepositoryUriResolver uriResolver(@CheckForNull Item context, @NonNull String apiUri,
                                                     @CheckForNull String credentialsId) {
-        if (credentialsId == null) {
-            return HTTPS;
-        } else {
-            StandardCredentials credentials = CredentialsMatchers.firstOrNull(
-                    CredentialsProvider.lookupCredentials(
-                            StandardCredentials.class,
-                            context,
-                            context instanceof Queue.Task
-                                    ? ((Queue.Task) context).getDefaultAuthentication()
-                                    : ACL.SYSTEM,
-                            URIRequirementBuilder.create()
-                                    .withHostname(RepositoryUriResolver.hostnameFromApiUri(apiUri))
-                                    .build()
-                    ),
-                    CredentialsMatchers.allOf(
-                            CredentialsMatchers.withId(credentialsId),
-                            CredentialsMatchers.instanceOf(StandardCredentials.class)
-                    )
-            );
-            if (credentials instanceof SSHUserPrivateKey) {
-                return SSH;
-            } else {
-                // Defaults to HTTP/HTTPS
-                return HTTPS;
-            }
-        }
+        return HTTPS;
     }
 
     /**