Revert "samples: philosophers: reduce stack size used"

This reverts commit 7eb9c884bcb45ed0af3d15a33e6339dbe341262f.

This change causes failures on arduino 101.

Change-Id: I6f8620b629516a6a81c2b417aa3736752ba40873
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2 files changed