revert ts-jest deps

Author: scniro

.travis.yml

@@ -1,4 +1,3 @@
-sudo: required
 language: node_js
 node_js:
   - "9"

package.json

@@ -60,10 +60,9 @@
   "devDependencies": {
     "@nteract/mockument": "1.0.4",
     "@types/codemirror": "0.0.55",
-    "@types/jest": "22.1.0",
+    "@types/jest": "21.1.5",
     "@types/react": "16.0.35",
     "babel-core": "6.26.0",
-    "babel-jest": "21.2.0",
     "babel-loader": "7.1.2",
     "babel-preset-es2015": "6.24.1",
     "babel-preset-react": "6.24.1",
@@ -75,7 +74,7 @@
     "express": "4.16.2",
     "gulp": "3.9.1",
     "gulp-replace": "0.6.1",
-    "jest": "21.2.0",
+    "jest": "21.2.1",
     "js-beautify": "1.7.5",
     "node-sass": "4.7.2",
     "open": "0.0.5",
@@ -90,7 +89,7 @@
     "sass-loader": "6.0.6",
     "sinon": "4.1.3",
     "style-loader": "0.19.1",
-    "ts-jest": "22.0.0",
+    "ts-jest": "21.1.4",
     "typescript": "2.6.2",
     "typescript-formatter": "7.0.1",
     "webpack": "3.10.0"