Ensuring that the Solr Request Handler engineering_search is not set

as the default handler.

Co-authored-by: Anna Headley <hackartisan@users.noreply.github.com>
Co-authored-by: Carolyn Cole <carolyncole@users.noreply.github.com>
Co-authored-by: Trey Pendragon <tpendragon@users.noreply.github.com>
Co-authored-by: Eliot Jordan <eliotjordan@users.noreply.github.com>

solr/conf/solrconfig.xml

@@ -361,7 +361,7 @@
     </lst>
   </requestHandler>
 
-  <requestHandler name="engineering_search" class="solr.SearchHandler" default="true">
+  <requestHandler name="engineering_search" class="solr.SearchHandler">
     <!-- default values for query parameters can be specified, these
          will be overridden by parameters in the request
       -->