Remove setupMongo.js and its .gitignore reference

Co-authored-by: imnasnainaec <6411521+imnasnainaec@users.noreply.github.com>

Author: Copilot

.gitignore

@@ -34,7 +34,6 @@ Session.vim
 scripts/*.js
 !scripts/frontendScripts.js
 !scripts/jestTest.js
-!scripts/setupMongo.js
 !scripts/startDatabase.js
 *.log
 *-debug.log*