Remove unused bootstrap-select dependency

This dependency is incompatible with JQuery 4.x.
After searching for how it's used in the app, it
looks like this dependency isn't being used and
can be removed.

Author: stefannibrasil

app/javascript/application.js

@@ -2,7 +2,6 @@
 import './jQueryGlobalizer.js'
 import '@hotwired/turbo-rails'
 import 'bootstrap'
-import 'bootstrap-select'
 import './sweet-alert-confirm.js'
 import './controllers'
 import 'trix'

package-lock.json

@@ -26,7 +26,6 @@
     "bootstrap": "5.3.6",
     "bootstrap-datepicker": "^1.10.1",
     "bootstrap-scss": "^5.3.8",
-    "bootstrap-select": "^1.13.18",
     "chart.js": "^4.5.1",
     "chartjs-adapter-luxon": "^1.3.1",
     "datatables.net-dt": "^1.13.11",