Remove Xamarin.IOS&Mac latest bundle (#3375)

Author: al-cheb

images/macos/toolsets/toolset-10.15.json

@@ -23,23 +23,16 @@
             "6.12.0.125", "6.10.0.106", "6.8.0.123", "6.6.0.166", "6.4.0.208"
         ],
         "ios-versions": [
-            "14.16.0.5", "14.14.2.5", "14.10.0.4", "14.8.0.3", "14.6.0.15", "14.4.1.3", "14.2.0.12", "14.0.0.0", "13.20.2.2", "13.18.2.1", "13.16.0.13", "13.14.1.39", "13.10.0.21", "13.8.3.0", "13.6.0.12", "13.4.0.2", "13.2.0.47"
+            "14.14.2.5", "14.10.0.4", "14.8.0.3", "14.6.0.15", "14.4.1.3", "14.2.0.12", "14.0.0.0", "13.20.2.2", "13.18.2.1", "13.16.0.13", "13.14.1.39", "13.10.0.21", "13.8.3.0", "13.6.0.12", "13.4.0.2", "13.2.0.47"
         ],
         "mac-versions": [
-            "7.10.0.5", "7.8.2.5", "7.4.0.10", "7.2.0.3", "7.0.0.15", "6.22.1.26", "6.20.2.2", "6.18.3.2", "6.16.0.13", "6.14.1.39", "6.10.0.21", "6.8.3.0", "6.6.0.12", "6.4.0.2", "6.2.0.47"
+            "7.8.2.5", "7.4.0.10", "7.2.0.3", "7.0.0.15", "6.22.1.26", "6.20.2.2", "6.18.3.2", "6.16.0.13", "6.14.1.39", "6.10.0.21", "6.8.3.0", "6.6.0.12", "6.4.0.2", "6.2.0.47"
         ],
         "android-versions": [
             "11.2.2.1", "11.1.0.26", "11.0.2.0", "10.3.1.4", "10.2.0.100", "10.1.3.7", "10.0.6.2"
         ],
-        "bundle-default": "6_12_8",
+        "bundle-default": "6_12_7",
         "bundles": [
-            {
-                "symlink": "6_12_8",
-                "mono":"6.12",
-                "ios": "14.16",
-                "mac": "7.10",
-                "android": "11.2"
-            },
             {
                 "symlink": "6_12_7",
                 "mono":"6.12",