git: openjdk/jdk: 8298424: Remove redundant FOUND_CORES variable in build-performance.m4

[Tyler Steele]

Changeset: 476f58ad
Author:    Amit Kumar <amitlocham09 at icloud.com>
Committer: Tyler Steele <tsteele at openjdk.org>
Date:      2023-01-30 14:33:28 +0000
URL:       https://git.openjdk.org/jdk/commit/476f58adc131d9cf4b0dcca8ea974daf559f3f94

8298424: Remove redundant FOUND_CORES variable in build-performance.m4

Reviewed-by: erikj, tsteele

! make/autoconf/build-performance.m4