remove username from TODOs

Signed-off-by: Dmitry Savintsev <[email protected]>

cmd/cosign/cli/verify/verify_blob.go

@@ -263,7 +263,7 @@ func (c *VerifyBlobCmd) Exec(ctx context.Context, blobRef string) error {
 			return err
 		}
 	case c.CARoots != "":
-		// TODO(dmitris) insert CA roots + intermediates into the signature options for verification
+		// TODO insert CA roots + intermediates into the signature options for verification
 	}
 
 	// Gather the cert for the signature and add the cert along with the