Remove incorrect moduleNameMapper entry

Co-authored-by: shati-patel <42641846+shati-patel@users.noreply.github.com>

Author: Copilot

jest.config.ts

@@ -93,7 +93,6 @@ const config: Config = {
     "^@actions/exec/lib/(.*)$": "<rootDir>/node_modules/@actions/exec/lib/$1",
     "^@actions/http-client$": "<rootDir>/node_modules/@actions/http-client/lib/index.js",
     "^@actions/http-client/lib/(.*)$": "<rootDir>/node_modules/@actions/http-client/lib/$1",
-    "^@actions/core/lib/(.*)$": "<rootDir>/node_modules/@actions/core/node_modules/@actions/http-client/lib/$1",
   },
 
   // An array of regexp pattern strings, matched against all module paths before considered 'visible' to the module loader