Replace WebView with Iframe

Summary: This diff replaces the WebView we use to render plugin docs with an Iframe.

Reviewed By: nikoant, aigoncharov

Differential Revision: D32797111

fbshipit-source-id: 8ea0e0bd1cbea33dd7e389600951c020a88e4267

desktop/flipper-ui-core/package.json

@@ -48,7 +48,6 @@
     "react-async": "^10.0.0",
     "react-debounce-render": "^7.0.0",
     "react-dom": "^17.0.1",
-    "react-electron-web-view": "^2.0.1",
     "react-element-to-jsx-string": "^14.3.4",
     "react-markdown": "^6.0.3",
     "react-player": "^2.9.0",

desktop/yarn.lock

@@ -9145,11 +9145,6 @@ lodash._reinterpolate@^3.0.0:
   resolved "https://registry.yarnpkg.com/lodash._reinterpolate/-/lodash._reinterpolate-3.0.0.tgz#0ccf2d89166af03b3663c796538b75ac6e114d9d"
   integrity sha1-DM8tiRZq8Ds2Y8eWU4t1rG4RTZ0=
 
-lodash.camelcase@^4.3.0:
-  version "4.3.0"
-  resolved "https://registry.yarnpkg.com/lodash.camelcase/-/lodash.camelcase-4.3.0.tgz#b28aa6288a2b9fc651035c7711f65ab6190331a6"
-  integrity sha1-soqmKIorn8ZRA1x3EfZathkDMaY=
-
 lodash.clonedeep@^4.5.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/lodash.clonedeep/-/lodash.clonedeep-4.5.0.tgz#e23f3f9c4f8fbdde872529c1071857a086e5ccef"
@@ -11308,13 +11303,6 @@ react-dom@^17.0.1:
     object-assign "^4.1.1"
     scheduler "^0.20.2"
 
-react-electron-web-view@^2.0.1:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/react-electron-web-view/-/react-electron-web-view-2.0.1.tgz#984b7bbbeb77e35bcca921dc50120fc8f2b0f27d"
-  integrity sha1-mEt7u+t341vMqSHcUBIPyPKw8n0=
-  dependencies:
-    lodash.camelcase "^4.3.0"
-
 react-element-to-jsx-string@^14.3.4:
   version "14.3.4"
   resolved "https://registry.yarnpkg.com/react-element-to-jsx-string/-/react-element-to-jsx-string-14.3.4.tgz#709125bc72f06800b68f9f4db485f2c7d31218a8"