[arm] [simulator] Reenable wasm float tests

The issue in the arm simulator is fixed, reenable the tests.

R=ahaas@chromium.org

Bug: v8:6947
Change-Id: Ie57dbc01e02dbda3a978306b61ffff92c78d2f97
Reviewed-on: https://chromium-review.googlesource.com/725291Reviewed-by: Andreas Haas <ahaas@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#48782}

test/wasm-spec-tests/wasm-spec-tests.status

@@ -18,13 +18,6 @@
   'tests/f64_bitwise': [SKIP],
 }],  # 'arch == mipsel or arch == mips64el or arch == mips or arch == mips64'
 
-['arch == arm and simulator_run', {
-  # The simulator might set the quiet NaN bit when executing vabs and vneg, see
-  # http://crbug.com/v8/6947.
-  'tests/float_misc': [SKIP],
-  'tests/float_exprs': [SKIP],
-}],  # 'arch == arm and simulator_run'
-
 ['(arch == mipsel or arch == mips64el or arch == mips or arch == mips64) and not simulator_run', {
   # This test fail because mips does not support the correct NaN bit patterns.
   # But it doesn't fail in simulator.