remove unnecessary file

apps/app/src/styles/_override-rbt.scss

@@ -1,37 +0,0 @@
-// // TODO: .form-group dropped in bootstrap v5
-// // https://redmine.weseek.co.jp/issues/129103
-// // override react-bootstrap-typeahead styles
-// // see: https://github.com/ericgio/react-bootstrap-typeahead
-// .form-group:not(.has-error) {
-//   .rbt-input.form-control {
-//     // focus
-//     &.focus {
-//       border-color: inherit;
-//     }
-//   }
-// }
-
-// // TODO: check padding when upgrade react-bootstrap-typeahead v6
-// // .close to .btn-close in bootstrap v5
-// // https://redmine.weseek.co.jp/issues/129103
-// .rbt-input-wrapper {
-//   .close.rbt-close {
-//     // default bootstrap .close has padding 0
-//     padding: 3px 7px;
-//   }
-// }
-
-// // hide loading icon
-// .rbt-aux {
-//   display: none;
-// }
-
-// // TODO: .input-group-prepend dropped in bootstrap v5
-// // https://redmine.weseek.co.jp/issues/129103
-// // seamless border for .input-group-prepend
-// .input-group-prepend + div {
-//   .rbt .rbt-input-main {
-//     border-top-left-radius: 0;
-//     border-bottom-left-radius: 0;
-//   }
-// }