Staging: ccree: Remove unused variable.

Remove the local variable inflight_counter as it is never used.

Signed-off-by: Srishti Sharma <srishtishar@gmail.com>
Acked-by: Gilad Ben-Yossef <gilad@benyossef.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>