libfan: Remove

Since the removal of the custom timer implementation our libfan has
nothing but a single header file. Since we have no object code left we
do not need a library to contain this code since the header is directly
included where needed.

Tested:
    Built and run through unit tests.

Change-Id: I139b83ab979ead88cfd4c180ba8847a29c6407e2
Signed-off-by: William A. Kennington III <wak@google.com>
6 files changed