fix(js): remove 'priority' option

- Terser really doesn't like unsupported options
- 'priority' is introduced in 887eeda3cc

lib/filter.js

@@ -90,8 +90,9 @@ function minifyJs (str, data) {
   // Terser doesn't like unsupported options
   const jsOptions = Object.assign({}, options)
   delete jsOptions.enable
-  delete jsOptions.exclude
+  delete jsOptions.priority
   delete jsOptions.logger
+  delete jsOptions.exclude
   delete jsOptions.globOptions
 
   const { code } = Terser.minify(str, jsOptions)