remove the temporary host header patch that's now supported internally

Author: lindsaylevine

lib/templates/netlifyFunction.js

@@ -31,13 +31,6 @@ exports.handler = (event, context, callback) => {
     process.env.BINARY_SUPPORT = "yes";
   }
 
-  // When running on netlify, the header "host" is not set in
-  // multiValueHeaders so we manually set it here.
-  // TO-DO: @lindsaylevine/@cassidoo remove after netlify supports internally
-  if (!event.multiValueHeaders.hasOwnProperty("host")) {
-    event.multiValueHeaders["host"] = [event.headers["host"]];
-  }
-
   // Get the request URL
   const { path } = event;
   console.log("[request]", path);