Remove checkout functionality from GOM

Tools/GardeningServer/scripts/ui.js

Index: Tools/GardeningServer/scripts/ui.js
diff --git a/Tools/GardeningServer/scripts/ui.js b/Tools/GardeningServer/scripts/ui.js
index a6203cf9e46bb89c19a7d40be5002c2555c2ed88..de7e29f741d6b7fea44b8d244b2af3ab0dff97f8 100644
--- a/Tools/GardeningServer/scripts/ui.js
+++ b/Tools/GardeningServer/scripts/ui.js
@@ -410,11 +410,12 @@ ui.revisionDetails = base.extends('span', {
         theSpan.appendChild(document.createTextNode(', trunk is at '));
         theSpan.appendChild(ui.createLinkNode(trac.changesetURL(totRevision), totRevision));
 
-        Promise.all([checkout.lastBlinkRollRevision(), rollbot.fetchCurrentRoll()]).then(function(results) {
-            theSpan.lastRolledRevision = results[0];
-            theSpan.roll = results[1];
-            theSpan.updateUI(totRevision);
-        });
+        // We want this feature, but need to fetch the lastBlinkRollRevision via the interwebs.
+        // Promise.all([checkout.lastBlinkRollRevision(), rollbot.fetchCurrentRoll()]).then(function(results) {
+        //     theSpan.lastRolledRevision = results[0];
+        //     theSpan.roll = results[1];
+        //     theSpan.updateUI(totRevision);
+        // });
     }
 });