revert back to custom plugin

Author: yashovardhan

docusaurus.config.ts

@@ -246,17 +246,7 @@ const config: Config = {
       { rootDir: ".integrationBuilderCache" },
     ],
     path.resolve(__dirname, "plugins", "node-polyfills"),
-    [
-      "docusaurus2-dotenv",
-      {
-        path: "./.env", // The path to your environment variables.
-        safe: false, // If false ignore safe-mode, if true load './.env.example', if a string load that file as the sample
-        systemvars: false, // Set to true if you would rather load all system variables as well (useful for CI purposes)
-        silent: false, //  If true, all warnings will be suppressed
-        expand: false, // Allows your variables to be "expanded" for reusability within your .env file
-        defaults: false, //  Adds support for dotenv-defaults. If set to true, uses ./.env.defaults
-      },
-    ],
+    path.resolve(__dirname, "plugins", "env-variables-plugin"),
     [
       "@docusaurus/plugin-client-redirects",
       {