Removed unneeded comments (#673)

Code/Framework/AtomCore/AtomCore/Serialization/Json/JsonUtils.cpp

@@ -189,7 +189,7 @@ namespace AZ
                 if (!WasLoadSuccess(result.GetOutcome()))
                 {
                     // This if is a hack around fault in the JSON serialization system
-                    // Jira: https://jira.agscollab.com/browse/LY-106587
+                    // Jira: LY-106587
                     if (message != "No part of the string could be interpreted as a uuid.")
                     {
                         deserializeError.append(message);

Code/Framework/AzToolsFramework/AzToolsFramework/Slice/SliceUtilities.cpp

@@ -1353,7 +1353,7 @@ namespace AzToolsFramework
                             // Iterate over the entities left in the instance and if none of them have this
                             // asset entity as its ancestor, then we want to remove it.
                             // \todo - Investigate ways to make this non-linear time. Tricky since removed entities
-                            // obviously aren't maintained in any maps. (https://jira.agscollab.com/browse/LY-88218)
+                            // obviously aren't maintained in any maps. (LY-88218)
                             bool foundAsAncestor = false;
                             for (const AZ::Entity* instanceEntity : instanceEntities)
                             {

Code/Sandbox/Editor/Core/LevelEditorMenuHandler.cpp

@@ -514,7 +514,7 @@ void LevelEditorMenuHandler::PopulateEditMenu(ActionManager::MenuWrapper& editMe
     /*
      * The following block of code is part of the feature "Isolation Mode" and is temporarily
      * disabled for 1.10 release.
-     * Jira: https://jira.agscollab.com/browse/LY-49532
+     * Jira: LY-49532
 
     // Isolate Selected
     QAction* isolateSelectedAction = editMenu->addAction(tr("Isolate Selected"));