Remove pages/api/proxy.js as it was an open proxy

- The only location pages/api/proxy was used was for icon loading in item.jsx, simply returning the icon URL instead worked just fine.  There was no need to proxy icon requests.

fixes: #327

src/pages/api/proxy.js

@@ -1,59 +0,0 @@
-import https from "https";
-
-import getRawBody from "raw-body";
-
-import { httpRequest, httpsRequest } from "utils/proxy/http";
-
-export const config = {
-  api: {
-    bodyParser: false,
-  },
-};
-
-export default async function handler(req, res) {
-  const headers = ["X-API-Key", "Authorization"].reduce((obj, key) => {
-    if (req.headers && Object.prototype.hasOwnProperty.call(req.headers, key.toLowerCase())) {
-      // eslint-disable-next-line no-param-reassign
-      obj[key] = req.headers[key.toLowerCase()];
-    }
-    return obj;
-  }, {});
-
-  const url = new URL(req.query.url);
-
-  if (url.protocol === "https:") {
-    // this agent allows us to bypass the certificate check
-    // which is required for most self-signed certificates
-    const httpsAgent = new https.Agent({
-      rejectUnauthorized: false,
-    });
-
-    const [status, contentType, data] = await httpsRequest(url, {
-      agent: httpsAgent,
-      method: req.method,
-      headers,
-      body:
-        req.method === "GET" || req.method === "HEAD"
-          ? null
-          : await getRawBody(req, {
-              encoding: "utf8",
-            }),
-    });
-
-    res.setHeader("Content-Type", contentType);
-    return res.status(status).send(data);
-  }
-  const [status, contentType, data] = await httpRequest(url, {
-    method: req.method,
-    headers,
-    body:
-      req.method === "GET" || req.method === "HEAD"
-        ? null
-        : await getRawBody(req, {
-            encoding: "utf8",
-          }),
-  });
-
-  res.setHeader("Content-Type", contentType);
-  return res.status(status).send(data);
-}