feat(unity-bootstrap-theme): removed unnecessary display none for input validation on webform

UDS-1920

Author: juanmitriatti

packages/unity-bootstrap-theme/src/scss/extends/_form-fields.scss

@@ -232,15 +232,6 @@ form.uds-form {
       color: $uds-color-base-gray-7;
     }
   }
-  &.needs-validation {
-    .invalid-feedback {
-      display: none;
-    }
-
-    .valid-feedback {
-      display: none;
-    }
-  }
 
   /* ERROR/SUCCESS VALIDATION - SERVER-SIDE
     using Bootstrap 4 .is-valid and .is-invalid classes. */