Revert "Work around a art test script bug mixing up bootclasspaths."

This reverts commit 437b54c730ab306208af5aa035b85c294d090024.

Reason for revert: This workaround should no longer be needed after CLs [1-2].

Bug: 70521453
Test: art/test/testrunner/run_build_test_target.py -j40 art-interpreter

[1] https://android-review.googlesource.com/c/platform/build/+/573902
[2] https://android-review.googlesource.com/c/platform/build/soong/+/578623

Change-Id: I09276cc5c2aae01dcd4a288881510d09ec144985
1 file changed