[FSSDK-10843] remove crossbrowser and umd test from prepublish (#1067)

Author: raju-opti

package.json

@@ -71,7 +71,7 @@
     "build-browser-umd": "rollup -c --config-umd",
     "coveralls": "nyc --reporter=lcov npm test",
     "prepare": "npm run build",
-    "prepublishOnly": "npm test && npm run test-ci",
+    "prepublishOnly": "npm test",
     "postbuild:win": "@powershell copy \"dist/index.lite.d.ts\" \"dist/optimizely.lite.es.d.ts\" && @powershell copy \"dist/index.lite.d.ts\" \"dist/optimizely.lite.es.min.d.ts\" && @powershell copy \"dist/index.lite.d.ts\" \"dist/optimizely.lite.min.d.ts\"",
     "genmsg": "jiti message_generator ./lib/message/error_message.ts ./lib/message/log_message.ts"
   },