qcacmn: Remove osdep.h include file from scheduler

Scheduler has no dependency on osdep as it uses OS QDF abstraction
APIs. Remove os_dep.h file include from scheduler.

Change-Id: I933c772fc34046abf4961f22e62202a9ce21e6e5
CRs-Fixed: 1104163

sch/inc/scheduler_api.h

@@ -33,7 +33,6 @@
 #include <qdf_lock.h>
 #include <qdf_mc_timer.h>
 #include <qdf_status.h>
-#include <osdep.h>
 
 
 /* Controller thread various event masks

sch/src/scheduler_core.c

@@ -26,7 +26,6 @@
  */
 
 #include <scheduler_core.h>
-#include <osdep.h>
 
 static struct scheduler_ctx *gp_sched_ctx;