Remove the unneeded isomorphic fetch.

package.json

@@ -7,7 +7,6 @@
     "@material-ui/icons": "^3.0.2",
     "ical.js": "^1.2.2",
     "immutable": "^4.0.0-rc.12",
-    "isomorphic-fetch": "^2.2.1",
     "localforage": "^1.7.3",
     "moment": "^2.24.0",
     "node-rsa": "^1.0.3",
@@ -37,7 +36,6 @@
     "eject": "react-scripts eject"
   },
   "devDependencies": {
-    "@types/isomorphic-fetch": "^0.0.35",
     "@types/jest": "^24.0.4",
     "@types/node": "^11.9.3",
     "@types/node-rsa": "^1.0.0",

src/api/EteSync.test.ts

@@ -1,6 +1,5 @@
 import * as EteSync from './EteSync';
 
-import * as fetch from 'isomorphic-fetch';
 import * as sjcl from 'sjcl';
 
 const testApiBase = 'http://localhost:8000';

src/api/EteSync.ts

@@ -3,8 +3,6 @@ import URI from 'urijs';
 
 import * as Constants from './Constants';
 
-import fetch from 'isomorphic-fetch';
-
 import { byte, base64, stringToByteArray } from './Helpers';
 import { CryptoManager, AsymmetricKeyPair, HMAC_SIZE_BYTES } from './Crypto';
 export { CryptoManager, AsymmetricCryptoManager, AsymmetricKeyPair, deriveKey, genUid } from './Crypto';

yarn.lock

@@ -943,11 +943,6 @@
   resolved "https://registry.yarnpkg.com/@types/history/-/history-4.7.2.tgz#0e670ea254d559241b6eeb3894f8754991e73220"
   integrity sha512-ui3WwXmjTaY73fOQ3/m3nnajU/Orhi6cEu5rzX+BrAAJxa3eITXZ5ch9suPqtM03OWhAHhPSyBGCN4UKoxO20Q==
 
-"@types/isomorphic-fetch@^0.0.35":
-  version "0.0.35"
-  resolved "https://registry.yarnpkg.com/@types/isomorphic-fetch/-/isomorphic-fetch-0.0.35.tgz#c1c0d402daac324582b6186b91f8905340ea3361"
-  integrity sha512-DaZNUvLDCAnCTjgwxgiL1eQdxIKEpNLOlTNtAgnZc50bG2copGhRrFN9/PxPBuJe+tZVLCbQ7ls0xveXVRPkvw==
-
 "@types/jest-diff@*":
   version "20.0.1"
   resolved "https://registry.yarnpkg.com/@types/jest-diff/-/jest-diff-20.0.1.tgz#35cc15b9c4f30a18ef21852e255fdb02f6d59b89"
@@ -5403,7 +5398,7 @@ isobject@^3.0.0, isobject@^3.0.1:
   resolved "https://registry.yarnpkg.com/isobject/-/isobject-3.0.1.tgz#4e431e92b11a9731636aa1f9c8d1ccbcfdab78df"
   integrity sha1-TkMekrEalzFjaqH5yNHMvP2reN8=
 
-isomorphic-fetch@^2.1.1, isomorphic-fetch@^2.2.1:
+isomorphic-fetch@^2.1.1:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/isomorphic-fetch/-/isomorphic-fetch-2.2.1.tgz#611ae1acf14f5e81f729507472819fe9733558a9"
   integrity sha1-YRrhrPFPXoH3KVB0coGf6XM1WKk=