style: remove unused interface

src/utils/log.ts

@@ -3,22 +3,6 @@ import * as path from 'path';
 
 import 'colorts/lib/string';
 
-interface CallSite {
-    getThis(): unknown;
-    getTypeName(): string | null;
-    getFunction(): Function | undefined;
-    getFunctionName(): string | null;
-    getMethodName(): string | null;
-    getFileName(): string | null;
-    getLineNumber(): number | null;
-    getColumnNumber(): number | null;
-    getEvalOrigin(): string | undefined;
-    isToplevel(): boolean;
-    isEval(): boolean;
-    isNative(): boolean;
-    isConstructor(): boolean;
-}
-
 /*
     helper fns
 */