Merge pull request #1032 from NativeScript/vladimirov/fix-snapshot-older-runtime

fix: stop generating snapshot for ia64 for older runtimes

Author: rosen-vladimirov

plugins/NativeScriptSnapshotPlugin/options.json

@@ -25,12 +25,6 @@
     },
     "targetArchs": {
       "type": "array",
-      "default": [
-        "arm",
-        "arm64",
-        "ia32",
-        "ia64"
-      ],
       "items": {
         "type": "string",
         "enum": [