remove modal styles

src/client/styles/scss/_modal.scss

@@ -1,13 +0,0 @@
-.modal-dialog.page-list-delete-modal {
-  width: 600px;
-  max-width: initial;
-  margin: 30px auto;
-  .modal-content .modal-footer,
-  .modal-content .modal-header {
-    padding: 10px 15px;
-  }
-  .modal-header,
-  .modal-body {
-    border-bottom: 1px solid $border;
-  }
-}

src/client/styles/scss/style-app.scss

@@ -39,7 +39,6 @@
 @import 'layout_kibela';
 @import 'layout_variable';
 @import 'login';
-@import 'modal';
 @import 'navbar';
 @import 'navbar_kibela';
 @import 'notification';