Remove nocov implementation for e2e spawn.

Signed-off-by: James Blair <mail@jamesblair.net>

tests/framework/e2e/etcd_spawn_cov.go

@@ -1,57 +0,0 @@
-// Copyright 2017 The etcd Authors
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-//go:build cov
-
-package e2e
-
-import (
-	"fmt"
-	"os"
-	"time"
-
-	"go.etcd.io/etcd/client/pkg/v3/fileutil"
-	"go.etcd.io/etcd/tests/v3/framework/testutils"
-)
-
-const noOutputLineCount = 2 // cov-enabled binaries emit PASS and coverage count lines
-
-var (
-	coverDir = testutils.MustAbsPath(os.Getenv("COVERDIR"))
-)
-
-func init() {
-	initBinPath = initBinPathCov
-	additionalArgs = additionalArgsCov
-}
-
-func initBinPathCov(binDir string) binPath {
-	return binPath{
-		Etcd:            binDir + "/etcd_test",
-		EtcdLastRelease: binDir + "/etcd-last-release",
-		Etcdctl:         binDir + "/etcdctl_test",
-		Etcdutl:         binDir + "/etcdutl_test",
-	}
-}
-
-func additionalArgsCov() ([]string, error) {
-	if !fileutil.Exist(coverDir) {
-		return nil, fmt.Errorf("could not find coverage folder: %s", coverDir)
-	}
-	covArgs := []string{
-		fmt.Sprintf("-test.coverprofile=e2e.%v.coverprofile", time.Now().UnixNano()),
-		"-test.outputdir=" + coverDir,
-	}
-	return covArgs, nil
-}

tests/framework/e2e/etcd_spawn_nocov.go

@@ -12,8 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build !cov
-
 package e2e
 
 const noOutputLineCount = 0 // regular binaries emit no extra lines