fix(binary): remove unused atomic.Bool in download test.

Go vet rejects copying sync/atomic.Bool via blank assignment.

Signed-off-by: Barak Korren <bkorren@redhat.com>
Co-authored-by: Cursor <cursoragent@cursor.com>

Author: ifireball

internal/binary/download_test.go

@@ -346,8 +346,6 @@ func TestResolveForVendor_ReleaseFallback(t *testing.T) {
 }
 
 func TestResolveForRun_PrefersReleaseBeforeCrossCompile(t *testing.T) {
-	var crossCompileAttempted atomic.Bool
-
 	// Build mock release assets.
 	var tarBuf bytes.Buffer
 	gw := gzip.NewWriter(&tarBuf)
@@ -391,8 +389,6 @@ func TestResolveForRun_PrefersReleaseBeforeCrossCompile(t *testing.T) {
 	require.NoError(t, os.Chdir(tmpDir))
 	t.Cleanup(func() { _ = os.Chdir(origDir) })
 
-	_ = crossCompileAttempted // release succeeds first; cross-compile not reached
-
 	result, err := ResolveForRun("0.4.0", "amd64")
 	require.NoError(t, err)
 	t.Cleanup(func() { os.RemoveAll(result.TmpDir) })