Clean up versioning and packageJson uses (#6196)

src/common/utils/app-version.ts

@@ -4,15 +4,6 @@
  */
 
 import requestPromise from "request-promise-native";
-import packageInfo from "../../../package.json";
-
-export function getAppVersion(): string {
-  return packageInfo.version;
-}
-
-export function getBundledKubectlVersion(): string {
-  return packageInfo.config.bundledKubectlVersion;
-}
 
 export async function getAppVersionFromProxyServer(proxyPort: number): Promise<string> {
   const response = await requestPromise({