Function deleteParamFromQs

deleteParamFromQs(param, queryString): boolean | string
Removes parameter from a querystring.
Parameters
- param: string
  
  Querystring parameter.
- queryString: string
  
  Querystring to search in (default is window.location).
Returns boolean | string
Example
```
ix.api.url.deleteParamFromQs("rq_AppGuid", window.location.href);
```