Remove error returns from crypto random helpers and callers (#37240)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: wxiaoguang <2114189+wxiaoguang@users.noreply.github.com>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
Co-authored-by: silverwind <115237+silverwind@users.noreply.github.com>

models/packages/package_blob_upload.go

@@ -31,16 +31,13 @@ type PackageBlobUpload struct {
 
 // CreateBlobUpload inserts a blob upload
 func CreateBlobUpload(ctx context.Context) (*PackageBlobUpload, error) {
-	id, err := util.CryptoRandomString(25)
-	if err != nil {
-		return nil, err
-	}
+	id := util.CryptoRandomString(25)
 
 	pbu := &PackageBlobUpload{
 		ID: strings.ToLower(id),
 	}
 
-	_, err = db.GetEngine(ctx).Insert(pbu)
+	_, err := db.GetEngine(ctx).Insert(pbu)
 	return pbu, err
 }