fix: remove unused strings import

Signed-off-by: Sebastien Tardif <sebtardif@ncf.ca>

Author: SebTardif

test/e2e-go/e2e_test.go

@@ -27,7 +27,6 @@ import (
 	"io"
 	"os"
 	"os/exec"
-	"strings"
 	"testing"
 	"time"