Remove hypnosphi polyfill

.size-snapshot.json

@@ -1,25 +1,25 @@
 {
   "dist/index.umd.js": {
-    "bundled": 88323,
-    "minified": 32847,
-    "gzipped": 9575
+    "bundled": 49817,
+    "minified": 23109,
+    "gzipped": 7142
   },
   "dist/index.umd.min.js": {
-    "bundled": 52955,
-    "minified": 21926,
-    "gzipped": 6619
+    "bundled": 47621,
+    "minified": 22197,
+    "gzipped": 6821
   },
   "dist/index.esm.js": {
-    "bundled": 12824,
-    "minified": 7630,
-    "gzipped": 2103,
+    "bundled": 12651,
+    "minified": 7287,
+    "gzipped": 2124,
     "treeshaked": {
       "rollup": {
-        "code": 3829,
-        "import_statements": 163
+        "code": 3841,
+        "import_statements": 146
       },
       "webpack": {
-        "code": 4978
+        "code": 5002
       }
     }
   }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-popper",
-  "version": "1.3.8",
+  "version": "1.4.0",
   "description": "React wrapper around Popper.js",
   "license": "MIT",
   "author": "Travis Arnold <[email protected]> (http://souporserious.com)",
@@ -57,11 +57,10 @@
     "popover"
   ],
   "peerDependencies": {
-    "react": "0.14.x || ^15.0.0 || ^16.0.0"
+    "react": "0.14.x || ^15.0.0 || ^16.0.0 || ^17.0.0"
   },
   "dependencies": {
     "@babel/runtime": "^7.1.2",
-    "create-react-context": "^0.3.0",
     "deep-equal": "^1.1.1",
     "popper.js": "^1.14.4",
     "prop-types": "^15.6.1",
@@ -93,7 +92,7 @@
     "eslint-plugin-jest": "^21.15.0",
     "eslint-plugin-promise": "^3.7.0",
     "eslint-plugin-react": "^7.7.0",
-    "flow-bin": "^0.69.0",
+    "flow-bin": "^0.72.0",
     "flow-copy-source": "^1.3.0",
     "gh-pages": "^1.1.0",
     "git-branch-is": "^0.1.0",

src/Manager.js

@@ -1,11 +1,7 @@
 // @flow
 import * as React from 'react';
-import createContext, { type Context } from 'create-react-context';
-
-export const ManagerReferenceNodeContext: Context<?HTMLElement> = createContext();
-export const ManagerReferenceNodeSetterContext: Context<
-  void | ((?HTMLElement) => void)
-> = createContext();
+export const ManagerReferenceNodeContext= React.createContext();
+export const ManagerReferenceNodeSetterContext = React.createContext();
 
 export type ManagerProps = {
   children: React.Node,