Update Tab Groups user education study in fieldtrial_testing_config

Reorganizes New Badge and IPH for Tab Groups into one study to match
the associated Finch study.

Additionally removes DesktopTabGroups since it is launched.

Bug: None
Change-Id: I09203587e18f82e3ddd51ebbe4a61c48d5ce4973
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2459787Reviewed-by: Jesse Doherty <jwd@chromium.org>
Commit-Queue: Collin Baker <collinbaker@chromium.org>
Cr-Commit-Position: refs/heads/master@{#815286}

testing/variations/fieldtrial_testing_config.json

@@ -2132,7 +2132,7 @@
             ]
         }
     ],
-    "DesktopTabGroups": [
+    "DesktopTabGroupsCollapse": [
         {
             "platforms": [
                 "chromeos",
@@ -2143,22 +2143,14 @@
             "experiments": [
                 {
                     "name": "Enabled",
-                    "params": {
-                        "availability": ">0",
-                        "event_many_tabs_opened": "name:sixth_tab_opened;comparator:>0;window:1;storage:365",
-                        "event_trigger": "name:tab_groups_new_group_iph_triggered;comparator:<1;window:365;storage:365",
-                        "event_used": "name:tab_group_created;comparator:==0;window:365;storage:365",
-                        "session_rate": "<3"
-                    },
                     "enable_features": [
-                        "IPH_DesktopTabGroupsNewGroup",
-                        "TabGroups"
+                        "TabGroupsCollapse"
                     ]
                 }
             ]
         }
     ],
-    "DesktopTabGroupsCollapse": [
+    "DesktopTabGroupsUserEducation": [
         {
             "platforms": [
                 "chromeos",
@@ -2169,8 +2161,16 @@
             "experiments": [
                 {
                     "name": "Enabled",
+                    "params": {
+                        "availability": ">0",
+                        "event_many_tabs_opened": "name:sixth_tab_opened;comparator:>0;window:1;storage:365",
+                        "event_trigger": "name:tab_groups_new_group_iph_triggered;comparator:<1;window:365;storage:365",
+                        "event_used": "name:tab_group_created;comparator:==0;window:365;storage:365",
+                        "session_rate": "<3"
+                    },
                     "enable_features": [
-                        "TabGroupsCollapse"
+                        "EnableNewBadgeOnMenuItems",
+                        "IPH_DesktopTabGroupsNewGroup"
                     ]
                 }
             ]
@@ -2640,24 +2640,6 @@
             ]
         }
     ],
-    "EnableNewBadgeOnMenuItems": [
-        {
-            "platforms": [
-                "chromeos",
-                "linux",
-                "mac",
-                "windows"
-            ],
-            "experiments": [
-                {
-                    "name": "Enabled",
-                    "enable_features": [
-                        "EnableNewBadgeOnMenuItems"
-                    ]
-                }
-            ]
-        }
-    ],
     "EnableSafetyTipUI": [
         {
             "platforms": [