[jdk17] RFR: 8267100: [BACKOUT] JDK-8196415 Disable SHA-1 Signed JARs

[Weijun Wang]

This is a copy of https://github.com/openjdk/jdk17/pull/100 so that I can integrate the fix for @seanjmullan.

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Commit messages:
 - [BACKOUT] JDK-8196415 Disable SHA-1 Signed JARs.

Changes: https://git.openjdk.java.net/jdk17/pull/113/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk17&pr=113&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8267100
  Stats: 3 lines in 1 file changed: 0 ins; 1 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk17/pull/113.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17 pull/113/head:pull/113

PR: https://git.openjdk.java.net/jdk17/pull/113