Some simplifications, using UNO_QUERY_THROW

Change-Id: I8b729ab7434ee04d55fd407cf67f54c1cb9fbca9
Reviewed-on: https://gerrit.libreoffice.org/34263Tested-by: Stephan Bergmann <sbergman@redhat.com>
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

remotebridges/source/unourl_resolver/unourl_resolver.cxx

@@ -116,11 +116,7 @@ Reference< XInterface > ResolverImpl::resolve( const OUString & rUnoUrl )
 
     Reference< XConnector > xConnector(
         _xSMgr->createInstanceWithContext( "com.sun.star.connection.Connector", _xCtx ),
-        UNO_QUERY );
-
-    if (! xConnector.is())
-        throw RuntimeException("no connector!" );
-
+        UNO_QUERY_THROW );
     Reference< XConnection > xConnection( xConnector->connect( aConnectDescr ) );
 
     // As soon as singletons are ready, switch to singleton !