Fix unused parameter errors in agehd and bip85 tests

- Remove unused goroutineID parameter from agehd concurrent test
- Remove unused description parameter from bip85 logTestVector function
- Update all call sites to match new signatures

pkg/agehd/agehd_test.go

@@ -188,7 +188,7 @@ func TestDeterministicXPRVDerivation(t *testing.T) {
 	t.Logf("XPRV Index 1: %s", id3.String())
 }
 
-func TestMnemonicVsXPRVConsistency(t *testing.T) {
+func TestMnemonicVsXPRVConsistency(_ *testing.T) {
 	// FIXME This test is missing!
 }
 
@@ -661,7 +661,7 @@ func TestConcurrentDerivation(t *testing.T) {
 	errors := make(chan error, testNumGoroutines*testNumIterations)
 
 	for i := 0; i < testNumGoroutines; i++ {
-		go func(goroutineID int) {
+		go func() {
 			for j := 0; j < testNumIterations; j++ {
 				if j < 0 || j > 1000000 {
 					errors <- fmt.Errorf("index out of safe range")
@@ -674,7 +674,7 @@ func TestConcurrentDerivation(t *testing.T) {
 				}
 				results <- identity.String()
 			}
-		}(i)
+		}()
 	}
 
 	// Collect results