Drop old branch of gnome-text-editor 'skins' test

This is never hit any more, everywhere we run this test is on
the newer code now.

Signed-off-by: Adam Williamson <awilliam@redhat.com>

needles/gnome/apps/gnome-text-editor/gte_adwaita_used-flatpak-20220307.json

@@ -1,15 +0,0 @@
-{
-  "area": [
-    {
-      "xpos": 8,
-      "ypos": 133,
-      "width": 178,
-      "height": 87,
-      "type": "match"
-    }
-  ],
-  "properties": [],
-  "tags": [
-    "gte_adwaita_used"
-  ]
-}

needles/gnome/apps/gnome-text-editor/gte_classic_used-flatpak-20220307.json

@@ -1,15 +0,0 @@
-{
-  "area": [
-    {
-      "xpos": 10,
-      "ypos": 134,
-      "width": 205,
-      "height": 87,
-      "type": "match"
-    }
-  ],
-  "properties": [],
-  "tags": [
-    "gte_classic_used"
-  ]
-}

needles/gnome/apps/gnome-text-editor/gte_cobalt_used-flatpak-20220307.json

@@ -1,15 +0,0 @@
-{
-  "area": [
-    {
-      "xpos": 9,
-      "ypos": 135,
-      "width": 199,
-      "height": 83,
-      "type": "match"
-    }
-  ],
-  "properties": [],
-  "tags": [
-    "gte_cobalt_used"
-  ]
-}

needles/gnome/apps/gnome-text-editor/gte_darkadwaita_used-flatpak-20220307.json

@@ -1,15 +0,0 @@
-{
-  "area": [
-    {
-      "xpos": 9,
-      "ypos": 136,
-      "width": 189,
-      "height": 83,
-      "type": "match"
-    }
-  ],
-  "properties": [],
-  "tags": [
-    "gte_darkadwaita_used"
-  ]
-}

needles/gnome/apps/gnome-text-editor/gte_darkclassic_used-flatpak-20220307.json

@@ -1,15 +0,0 @@
-{
-  "area": [
-    {
-      "xpos": 10,
-      "ypos": 135,
-      "width": 204,
-      "height": 84,
-      "type": "match"
-    }
-  ],
-  "properties": [],
-  "tags": [
-    "gte_darkclassic_used"
-  ]
-}

needles/gnome/apps/gnome-text-editor/gte_select_adwaita-flatpak-20220307.json

@@ -1,15 +0,0 @@
-{
-  "area": [
-    {
-      "xpos": 756,
-      "ypos": 638,
-      "width": 78,
-      "height": 21,
-      "type": "match"
-    }
-  ],
-  "properties": [],
-  "tags": [
-    "gte_select_adwaita"
-  ]
-}

tests/applications/gnome-text-editor/skins.pm

@@ -22,35 +22,6 @@ sub run {
     assert_and_click("gte_preferences_submenu");
     wait_still_screen(2);
 
-    my $relnum = get_release_number;
-    if (get_var("CANNED") && $relnum < 37) {
-        # This is for the older version of g-t-e in Silverblue
-        # Click on Adwaita;
-        assert_and_click("gte_select_adwaita");
-        assert_screen("gte_adwaita_used");
-        # Switch to dark Adwaita
-        send_key("tab");
-        sleep 1;
-        send_key("ret");
-        assert_screen("gte_darkadwaita_used");
-        # Switch to Classic
-        send_key("tab");
-        sleep 1;
-        send_key("ret");
-        assert_screen("gte_classic_used");
-        # Switch to DarkClassic
-        send_key("tab");
-        sleep 1;
-        send_key("ret");
-        assert_screen("gte_darkclassic_used");
-        # Switch to Cobalt
-        send_key("tab");
-        sleep 1;
-        send_key("ret");
-        assert_screen("gte_cobalt_used");
-    }
-    else {
-        # This is for newer version in F36+ RPMs)
     # Use A3 pattern
     assert_and_click("gte-a3-select");
     assert_screen("gte-a3-selected");
@@ -63,7 +34,6 @@ sub run {
     assert_and_click("gte-b4-select");
     assert_screen("gte-b4-selected");
 }
-}
 
 
 sub test_flags {