Remove fibers because the project is dead and it is node 18 incompatible.

Author: jdillick

.core/gulp.tasks.js

@@ -11,7 +11,6 @@ const gulpif = require('gulp-if');
 const gulpwatch = require('@atomic-reactor/gulp-watch');
 const prefix = require('gulp-autoprefixer');
 const sass = require('gulp-sass')(require('sass'));
-const fiber = require('fibers');
 const gzip = require('gulp-gzip');
 const reactiumImporter = require('@atomic-reactor/node-sass-reactium-importer');
 const cleanCSS = require('gulp-clean-css');
@@ -770,7 +769,6 @@ $assets: (
                 sass({
                     importer: reactiumImporter,
                     includePaths: config.src.includes,
-                    fiber,
                 }).on('error', sass.logError),
             )
             .pipe(prefix(config.browsers))

package-lock.json

@@ -125,7 +125,6 @@
     "eslint-plugin-react": "^7.28.0",
     "eslint-plugin-react-hooks": "^2.5.0",
     "fast-diff": "^1.2.0",
-    "fibers": "^5.0.3",
     "file-api": "^0.10.4",
     "fs-readdir-recursive": "^1.1.0",
     "gettext-extract": "^2.0.1",