[js] Remove the unnecessary normalizeProxyConfiguration function

Author: jleyba

javascript/node/selenium-webdriver/firefox.js

@@ -459,39 +459,6 @@ function findInProgramFiles(file) {
   });
 }
 
-function normalizeProxyConfiguration(config) {
-  if ('manual' === config.proxyType) {
-    if (config.ftpProxy && !config.ftpProxyPort) {
-      let hostAndPort = net.splitHostAndPort(config.ftpProxy);
-      config.ftpProxy = hostAndPort.host;
-      config.ftpProxyPort = hostAndPort.port;
-    }
-
-    if (config.httpProxy && !config.httpProxyPort) {
-      let hostAndPort = net.splitHostAndPort(config.httpProxy);
-      config.httpProxy = hostAndPort.host;
-      config.httpProxyPort = hostAndPort.port;
-    }
-
-    if (config.sslProxy && !config.sslProxyPort) {
-      let hostAndPort = net.splitHostAndPort(config.sslProxy);
-      config.sslProxy = hostAndPort.host;
-      config.sslProxyPort = hostAndPort.port;
-    }
-
-    if (config.socksProxy && !config.socksProxyPort) {
-      let hostAndPort = net.splitHostAndPort(config.socksProxy);
-      config.socksProxy = hostAndPort.host;
-      config.socksProxyPort = hostAndPort.port;
-    }
-  } else if ('pac' === config.proxyType) {
-    if (config.proxyAutoconfigUrl && !config.pacUrl) {
-      config.proxyAutoconfigUrl = config.proxyAutoconfigUrl;
-    }
-  }
-  return config;
-}
-
 
 /** @enum {string} */
 const ExtensionCommand = {
@@ -605,12 +572,6 @@ class Driver extends webdriver.WebDriver {
       caps = new capabilities.Capabilities(opt_config);
     }
 
-    if (caps.has(capabilities.Capability.PROXY)) {
-      let proxy =
-          normalizeProxyConfiguration(caps.get(capabilities.Capability.PROXY));
-      caps.set(capabilities.Capability.PROXY, proxy);
-    }
-
     let executor;
     let onQuit;