Document getEvals a bit

Also drop the $self parameter.

Co-authored-by: gustavderdrache

src/lib/Hydra/Controller/Build.pm

@@ -558,7 +558,7 @@ sub evals : Chained('buildChain') PathPart('evals') Args(0) {
     $c->stash->{page} = $page;
     $c->stash->{resultsPerPage} = $resultsPerPage;
     $c->stash->{total} = $evals->search({hasnewbuilds => 1})->count;
-    $c->stash->{evals} = getEvals($self, $c, $evals, ($page - 1) * $resultsPerPage, $resultsPerPage)
+    $c->stash->{evals} = getEvals($c, $evals, ($page - 1) * $resultsPerPage, $resultsPerPage)
 }