Fix bootstrap when debug is On (#41043)

Co-authored-by: Richard Fath <[email protected]>

Author: Fedik

build/build-modules-js/javascript/build-bootstrap-js.es6.js

@@ -48,11 +48,6 @@ const build = async () => {
                 browsers: [
                   '> 1%',
                   'not op_mini all',
-                  /** https://caniuse.com/es6-module */
-                  'chrome >= 61',
-                  'safari >= 11',
-                  'edge >= 16',
-                  'Firefox >= 60',
                 ],
               },
             },