Staging: slicoss: Fix smatch warning in slicoss.c

This patch fixes following smatch warning:
slicoss/slicoss.c:1429 slic_cmdq_addcmdpage() error: we previously assumed 'pslic_handle' could be null
Signed-off-by: Monam Agarwal <monamagarwal123@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/slicoss/slicoss.c

@@ -1422,7 +1422,6 @@ static void slic_cmdq_addcmdpage(struct adapter *adapter, u32 *page)
 		spin_lock_irqsave(&adapter->handle_lock.lock,
 				adapter->handle_lock.flags);
 		pslic_handle  =  adapter->pfree_slic_handles;
-		if (pslic_handle)
 		adapter->pfree_slic_handles = pslic_handle->next;
 		spin_unlock_irqrestore(&adapter->handle_lock.lock,
 				adapter->handle_lock.flags);