Re-enable regress-2185

This CL re-enables a mjsunit test for some simulator configurations
after Array.p.sort pivot selection improvements have landed.

R=jgruber@chromium.org

Bug: v8:7795
Change-Id: I03599c34e34a0bafd5f276b03aa4f059a8078026
Reviewed-on: https://chromium-review.googlesource.com/1096764Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Simon Zünd <szuend@google.com>
Cr-Commit-Position: refs/heads/master@{#53660}

test/mjsunit/mjsunit.status

@@ -764,13 +764,6 @@
   'wasm/grow-memory': [SKIP],
 }],  # variant == nooptimization and (arch == arm or arch == arm64) and simulator_run
 
-##############################################################################
-['(arch == arm or arch == arm64 or arch == ppc or arch == ppc64 or arch == s390 or arch == s390x) and simulator_run', {
-  # TODO(szuend): Re-enable when pivot calculation is fixed:
-  # https://crbug.com/v8/7795
-  'regress/regress-2185': [SKIP],
-}], # (arch == arm or arch == arm64) and simulator_run
-
 ##############################################################################
 ['gcov_coverage', {
   # Tests taking too long.