platform/x86: intel_telemetry: remove redundant macro definition

Telemetry driver includes intel_telemetry.h which defines
TELEM_MAX_OS_ALLOCATED_EVENTS already.

Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@intel.com>
Reviewed-by: Souvik K Chakravarty <souvik.k.chakravarty@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>