Add more bench (#3161)

* Improve makefile + Add benchs

* Apply recommendations of @ethantkoenig

integrations/repo_migrate_test.go

@@ -40,29 +40,3 @@ func TestRepoMigrate(t *testing.T) {
 	session := loginUser(t, "user2")
 	testRepoMigrate(t, session, "https://github.com/go-gitea/git.git", "git")
 }
-
-func BenchmarkRepoMigrate(b *testing.B) {
-	samples := []struct {
-		url  string
-		name string
-	}{
-		{url: "https://github.com/go-gitea/gitea.git", name: "gitea"},
-		{url: "https://github.com/ethantkoenig/manyfiles.git", name: "manyfiles"},
-		{url: "https://github.com/moby/moby.git", name: "moby"},
-		{url: "https://github.com/golang/go.git", name: "go"},
-		{url: "https://github.com/torvalds/linux.git", name: "linux"},
-	}
-
-	prepareTestEnv(b)
-	session := loginUser(b, "user2")
-	b.ResetTimer()
-
-	for _, s := range samples {
-		b.Run(s.name, func(b *testing.B) {
-			for i := 0; i < b.N; i++ {
-				testRepoMigrate(b, session, s.url, s.name)
-			}
-
-		})
-	}
-}