Change base class of CliError to Error

Since CliError doesn't use cause field, it doesn't need to derive from
TraceError

Author: FastAlien

src/cli/CliError.ts

@@ -1,17 +1,15 @@
-import {ErrorCause, TraceError} from "../common/errors";
-
 export enum ErrorCode {
     ArgumentError = 1,
     ParseError = 2,
     WriteError = 3,
     UnexpectedError = 100
 }
 
-export default class CliError extends TraceError {
+export default class CliError extends Error {
     public readonly errorCode: ErrorCode;
 
-    public constructor(message: string, errorCode: ErrorCode, cause?: ErrorCause) {
-        super(message, cause);
+    public constructor(message: string, errorCode: ErrorCode) {
+        super(message);
         this.errorCode = errorCode;
     }
 }