fix: unused import

Signed-off-by: SequeI <[email protected]>

Author: SequeI

cmd/rekor-server/e2e_test.go

@@ -36,7 +36,6 @@ import (
 	"strconv"
 	"strings"
 	"testing"
-	"os/exec"
 
 	"github.com/sigstore/rekor/pkg/sharding"
 
@@ -387,4 +386,4 @@ func TestHTTPMaxRequestBodySize(t *testing.T) {
 	if resp.StatusCode != http.StatusRequestEntityTooLarge {
 		t.Fatalf("expected status %d, got %d instead", http.StatusRequestEntityTooLarge, resp.StatusCode)
 	}
-}
+}