Revert "Using the http-proxy-middleware to proxy (deephaven#180)"

This reverts commit 21663a2.

Author: mofojed

packages/code-studio/.env.development

@@ -1,8 +1,7 @@
 REACT_APP_ENABLE_LOG_PROXY=false
-
-# Proxy set in src/setupProxy.js to handle CORS for other URLs
-# https://create-react-app.dev/docs/proxying-api-requests-in-development/
-
+REACT_APP_CORE_API_URL=http://localhost:10000/jsapi
+REACT_APP_NOTEBOOKS_URL=http://localhost:10000/notebooks
+REACT_APP_LAYOUTS_URL=http://localhost:10000/layouts
 REACT_APP_ROUTER_BASE_NAME=/
 REACT_APP_INTERNAL_PLUGINS=ExamplePlugin
 PORT=4000

packages/code-studio/package.json

@@ -32,7 +32,6 @@
     "cross-env": "^7.0.2",
     "deep-equal": "^2.0.4",
     "fira": "github:mozilla/fira#4.202",
-    "http-proxy-middleware": "^2.0.1",
     "jquery": "^3.5.1",
     "jszip": "3.2.2",
     "lodash.clamp": "^4.0.3",