Remove unused interface

Author: Dave Bartolomeo

extensions/ql-vscode/src/cli.ts

@@ -66,13 +66,6 @@ export interface SourceInfo {
   sourceLocationPrefix: string;
 }
 
-/**
- * The expected output of `codeql resolve qlpacks`.
- */
-export interface ResolvedQLPacks {
-  [index: string]: string[];
-}
-
 /**
  * The expected output of `codeql resolve tests`.
  */