git: openjdk/jdk-sandbox: classfile-api-branch: removed obsolete toString

[Adam Sotona]

Changeset: ced8ffa7
Author:    Adam Sotona <asotona at openjdk.org>
Date:      2022-08-18 09:38:19 +0000
URL:       https://git.openjdk.org/jdk-sandbox/commit/ced8ffa75cc6d47df88523d46175bc97f4e954a6

removed obsolete toString

! src/java.base/share/classes/jdk/classfile/attribute/StackMapTableAttribute.java