[sysprof] Remove old kernel module

[Christian Hergert <chergert src gnome org>]

commit abe9ec9f96a6bd21b50e7ae8da16b50a3e202958
Author: Christian Hergert <chergert redhat com>
Date:   Wed Apr 13 05:06:20 2016 -0700

    Remove old kernel module
    
    This isn't necessary anymore, we'll just rely on Linux perf.

 module/Makefile         |   71 -----
 module/sysprof-module.c |  673 -----------------------------------------------
 module/sysprof-module.h |   49 ----
 3 files changed, 0 insertions(+), 793 deletions(-)