Remove corpusQuery from statistics

Change-Id: Ie906261304329fea455f941fd9baee5a026f7889
diff --git a/Changes b/Changes
index 2b74f5b..3c5c741 100644
--- a/Changes
+++ b/Changes
@@ -5,6 +5,8 @@
         - Removed deprecated doc_navi helper. (diewald)
         - Removed deprecated doc->url helper. (diewald)
         - Correctly propagate warnings in frontend calls. (diewald)
+        - Remove corpusQuery from statistics
+          (as per Kudstvakt #758). (diewald)
 
 0.54 2024-06-10
         - Remove deprecated 'matchInfo' API path. (diewald, margaretha)
diff --git a/lib/Kalamar/Controller/Search.pm b/lib/Kalamar/Controller/Search.pm
index 2876c50..dcb13e8 100644
--- a/lib/Kalamar/Controller/Search.pm
+++ b/lib/Kalamar/Controller/Search.pm
@@ -307,13 +307,7 @@
 
   # Add query
   my $cq = $v->param('cq');
-  if ($cq) {
-    $url->query({cq => $cq});
-
-    # Temporary for backwards compatibility
-    # with Kustvakt < 0.62.1
-    $url->query({corpusQuery => $cq});
-  };
+  $url->query({cq => $cq}) if $cq;
 
   $c->app->log->debug("Statistics info: $url");