Remove now-unused runc launch code

Signed-off-by: Matthew Heon <matthew.heon@gmail.com>

Closes: #412
Approved by: baude

libpod/runc.go

@@ -1,117 +0,0 @@
-package libpod
-
-import (
-	"os"
-	"os/exec"
-	"strings"
-
-	"github.com/sirupsen/logrus"
-)
-
-type runcGlobalOptions struct {
-	log           string
-	logFormat     string
-	root          string
-	criu          string
-	systemdCgroup bool
-}
-type runcExecOptions struct {
-	consoleSocket string
-	cwd           string
-	env           []string
-	tty           bool
-	user          string
-	processPath   string
-	detach        bool
-	pidFile       string
-	processLabel  string
-	apparmor      string
-	noNewPrivs    bool
-	capAdd        []string
-}
-
-func parseGlobalOptionsToArgs(opts runcGlobalOptions) []string {
-	args := []string{}
-	if opts.log != "" {
-		args = append(args, "--log", opts.log)
-	}
-	if opts.logFormat != "" {
-		args = append(args, "--log-format", opts.logFormat)
-	}
-	if opts.root != "" {
-		args = append(args, "--root", opts.root)
-	}
-	if opts.criu != "" {
-		args = append(args, "--criu", opts.criu)
-	}
-	if opts.systemdCgroup {
-		args = append(args, "--systemd-cgroup")
-	}
-	return args
-}
-
-// RuncExec executes 'runc --options exec --options cmd'
-func (r *OCIRuntime) RuncExec(container *Container, command []string, globalOpts runcGlobalOptions, execOpts runcExecOptions) error {
-	args := []string{}
-	args = append(args, parseGlobalOptionsToArgs(globalOpts)...)
-	// Add subcommand
-	args = append(args, "exec")
-	// Now add subcommand args
-
-	if execOpts.consoleSocket != "" {
-		args = append(args, "--console-socket", execOpts.consoleSocket)
-	}
-	if execOpts.cwd != "" {
-		args = append(args, "--cwd", execOpts.cwd)
-	}
-
-	if len(execOpts.env) > 0 {
-		for _, envInput := range execOpts.env {
-			args = append(args, "--env", envInput)
-		}
-	}
-	if execOpts.tty {
-		args = append(args, "--tty")
-	}
-	if execOpts.user != "" {
-		args = append(args, "--user", execOpts.user)
-
-	}
-	if execOpts.processPath != "" {
-		args = append(args, "--process", execOpts.processPath)
-	}
-	if execOpts.detach {
-		args = append(args, "--detach")
-	}
-	if execOpts.pidFile != "" {
-		args = append(args, "--pid-file", execOpts.pidFile)
-	}
-	if execOpts.processLabel != "" {
-		args = append(args, "--process-label", execOpts.processLabel)
-	}
-	if execOpts.apparmor != "" {
-		args = append(args, "--apparmor", execOpts.apparmor)
-	}
-	if execOpts.noNewPrivs {
-		args = append(args, "--no-new-privs")
-	}
-	if len(execOpts.capAdd) > 0 {
-		for _, capAddValue := range execOpts.capAdd {
-			args = append(args, "--cap", capAddValue)
-		}
-	}
-
-	// Append Cid
-	args = append(args, container.ID())
-	// Append Cmd
-	args = append(args, command...)
-
-	logrus.Debug("Executing runc command: %s %s", r.path, strings.Join(args, " "))
-	cmd := exec.Command(r.path, args...)
-	cmd.Stdout = os.Stdout
-	cmd.Stderr = os.Stderr
-	cmd.Stdin = os.Stdin
-	cmd.Start()
-	err := cmd.Wait()
-	return err
-}