Remove unused import as requested in PR comment

- Remove '_ "github.com/onflow/crypto/sign/ecdsa"' import from init.go
- This import was not needed since ECDSA registration happens in the sign/ecdsa package init()

Co-Authored-By: Tarak Ben Youssef <benyoussef.tarak@gmail.com>

Author: devin-ai-integration[bot]

init.go

@@ -20,7 +20,6 @@ package crypto
 
 import (
 	"github.com/onflow/crypto/sign"
-	_ "github.com/onflow/crypto/sign/ecdsa"
 )
 
 func init() {