fixup: drop http2 import to keep go.mod unchanged

The typed http2.StreamError check promoted golang.org/x/net to a direct
dependency, failing the lint check that go.mod is unchanged. Rely on
string match alone — http2.StreamError.Error() formats as
"stream error: stream ID N; ..." which the existing string match catches.

Co-authored-by: Isaac

Author: anton-107

experimental/ssh/internal/client/releases.go

@@ -15,7 +15,6 @@ import (
 	"github.com/databricks/cli/libs/filer"
 	"github.com/databricks/cli/libs/log"
 	"github.com/databricks/databricks-sdk-go"
-	"golang.org/x/net/http2"
 )
 
 type releaseProvider func(ctx context.Context, architecture, version, releasesDir string) (io.ReadCloser, error)
@@ -84,12 +83,9 @@ func uploadReleases(ctx context.Context, workspaceFiler filer.Filer, getRelease
 
 // isStreamResetError reports whether err looks like an HTTP/2 stream reset from
 // the server, which typically means an edge proxy or the workspace-files import
-// endpoint rejected the request body (e.g. body-size limit).
+// endpoint rejected the request body (e.g. body-size limit). Matches both the
+// raw http2.StreamError.Error() format and wrapped variants.
 func isStreamResetError(err error) bool {
-	var se http2.StreamError
-	if errors.As(err, &se) {
-		return true
-	}
 	msg := err.Error()
 	return strings.Contains(msg, "stream error") && strings.Contains(msg, "stream ID")
 }

experimental/ssh/internal/client/releases_test.go

@@ -6,7 +6,6 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/assert"
-	"golang.org/x/net/http2"
 )
 
 func TestIsStreamResetError(t *testing.T) {
@@ -16,18 +15,13 @@ func TestIsStreamResetError(t *testing.T) {
 		want bool
 	}{
 		{
-			name: "http2 stream error type",
-			err:  http2.StreamError{StreamID: 15, Code: http2.ErrCodeNo},
+			name: "raw http2 stream error string",
+			err:  errors.New("stream error: stream ID 15; NO_ERROR"),
 			want: true,
 		},
 		{
-			name: "wrapped http2 stream error type",
-			err:  fmt.Errorf("post failed: %w", http2.StreamError{StreamID: 15, Code: http2.ErrCodeNo}),
-			want: true,
-		},
-		{
-			name: "string match from peer reset (Go HTTP/2 client format)",
-			err:  errors.New(`Post "https://example/api/2.0/workspace-files/import-file/...": stream error: stream ID 15; NO_ERROR; received from peer`),
+			name: "wrapped peer-reset error (Go HTTP/2 client format)",
+			err:  fmt.Errorf(`Post "https://example/api/2.0/workspace-files/import-file/...": %w`, errors.New("stream error: stream ID 15; NO_ERROR; received from peer")),
 			want: true,
 		},
 		{