Removed unused config_form.php.
Removed unused config_form.php.

anuragji/SolrSearch,CATCH-FACT/SolrSearch-VB,CATCH-FACT/SolrSearch-VB,scholarslab/SolrSearch,CATCH-FACT/SolrSearch-VB,micongrin/plugin_SolrSearch-WMI,scholarslab/SolrSearch,scholarslab/SolrSearch,micongrin/plugin_SolrSearch-WMI,anuragji/SolrSearch,anuragji/SolrSearch,scholarslab/SolrSearch,micongrin/plugin_SolrSearch-WMI,anuragji/SolrSearch,CATCH-FACT/SolrSearch-VB