[Chapel Merge] Remove the vector lib from the playground

Branch: refs/heads/main
Revision: 102635b5db0c70413b8dfc769bcc7ef38f9d2c46
Author: jabraham17
Link: Remove the vector lib from the playground by jabraham17 · Pull Request #28842 · chapel-lang/chapel · GitHub
Log Message:
Remove the vector lib from the playground (#28842)

Removes the vector lib from the playground, since it hasn't been tested
in awhile

[Not reviewed - trivial]

Compare: Comparing 2ca26260e113551de4e85f2b42448cc122d63d16...efa232162f784714ffe853dc914af2e50169f80f · chapel-lang/chapel · GitHub

Diff:
M util/cron/test-perf.chapcs.playground.bash
https://github.com/chapel-lang/chapel/pull/28842.diff