Remove Travis CI (#42507)

* Remove Travis CI

* Revert deletion of cron stuff

* Fix formatting

package.json

@@ -52,7 +52,6 @@
         "@types/q": "latest",
         "@types/source-map-support": "latest",
         "@types/through2": "latest",
-        "@types/travis-fold": "latest",
         "@types/xml2js": "^0.4.0",
         "@typescript-eslint/eslint-plugin": "4.5.0",
         "@typescript-eslint/experimental-utils": "4.5.0",
@@ -95,7 +94,6 @@
         "remove-internal": "^2.9.2",
         "source-map-support": "latest",
         "through2": "latest",
-        "travis-fold": "latest",
         "typescript": "^4.0.0-dev.20200624",
         "vinyl": "latest",
         "vinyl-sourcemaps-apply": "latest",