Remove old code

Author: tonybaroneee

packages/telemetry/src/api.ts

@@ -100,12 +100,6 @@ export function captureError(
   }
   customAttributes['app.version'] = appVersion;
 
-  // Set firebase installation ID ("FID") if available, which
-  // represents the "user" who experienced the error.
-  if (telemetry.fid) {
-    customAttributes['user.id'] = telemetry.fid;
-  }
-
   if (error instanceof Error) {
     logger.emit({
       severityNumber: SeverityNumber.ERROR,

packages/telemetry/src/public-types.ts

@@ -33,13 +33,6 @@ export interface Telemetry {
 
   /** The {@link LoggerProvider} this {@link Telemetry} instance uses. */
   loggerProvider: LoggerProvider;
-
-  /**
-   * The Firebase Installation ID.
-   *
-   * @internal
-   */
-  fid?: string;
 }
 
 /**