drop unused var

from new util function, was used for debugging

Signed-off-by: György Krajcsovits <[email protected]>

Author: krajorama

pkg/util/test/metrics.go

@@ -72,9 +72,7 @@ func AssertGatherAndCompare(t *testing.T, g prometheus.Gatherer, expectedText st
 	absent := make([]string, len(metrics))
 	copy(absent, metrics)
 	required := make([]string, 0, len(metrics))
-	c := 0
 	for sc.Scan() {
-		c++
 		line := sc.Text()
 		for i, metric := range absent {
 			if strings.HasPrefix(strings.TrimSpace(line), metric+"{") {