Improve readability

Author: kylos101

components/gitpod-protocol/src/protocol.ts

@@ -296,17 +296,14 @@ export namespace EnvVar {
         (imageAuth.value || "").split(",").forEach((entry) => {
             const parts = entry.trim().split(":");
             if (parts.length === 2) {
-                // host:token
-                const host = parts[0];
-                const token = parts[1];
-                if (host && token && host.length > 0 && token.length > 0) {
+                const [host, token] = parts;
+                if (host && token) {
                     res.set(host, token);
                 }
             } else if (parts.length === 3) {
-                // host:port:token
-                const hostWithPort = `${parts[0]}:${parts[1]}`;
-                const token = parts[2];
-                if (hostWithPort && token && hostWithPort.length > 0 && token.length > 0) {
+                const [host, port, token] = parts;
+                const hostWithPort = `${host}:${port}`;
+                if (hostWithPort && token) {
                     res.set(hostWithPort, token);
                 }
             }