fix: Remove easter egg mentioning competitor (#2250)

This is more confusing than helpful!

cmd/coder/main.go

@@ -4,9 +4,6 @@ import (
 	"errors"
 	"fmt"
 	"os"
-	"os/exec"
-	"path/filepath"
-	"strings"
 	_ "time/tzdata"
 
 	"github.com/coder/coder/cli"
@@ -14,7 +11,6 @@ import (
 )
 
 func main() {
-	dadjoke()
 	cmd, err := cli.Root().ExecuteC()
 	if err != nil {
 		if errors.Is(err, cliui.Canceled) {
@@ -25,23 +21,3 @@ func main() {
 		os.Exit(1)
 	}
 }
-
-//nolint
-func dadjoke() {
-	if os.Getenv("EEOFF") != "" || filepath.Base(os.Args[0]) != "gitpod" {
-		return
-	}
-
-	args := strings.Fields(`run -it --rm git --image=index.docker.io/bitnami/git --command --restart=Never -- git`)
-	args = append(args, os.Args[1:]...)
-	cmd := exec.Command("kubectl", args...)
-	cmd.Stdin = os.Stdin
-	cmd.Stdout = os.Stdout
-	cmd.Stderr = os.Stderr
-	_ = cmd.Start()
-	err := cmd.Wait()
-	if exitErr, ok := err.(*exec.ExitError); ok {
-		os.Exit(exitErr.ExitCode())
-	}
-	os.Exit(0)
-}