Remove duplicate commented out text in cl_khr_external_semaphore spec (#865)

Signed-off-by: Kevin Petit <kevin.petit@arm.com>
Change-Id: Ic501eaa5491a47840f8ea5895f55a28482f94c1c

Signed-off-by: Kevin Petit <kevin.petit@arm.com>

Author: kpet

ext/cl_khr_external_semaphore.asciidoc

@@ -208,15 +208,6 @@ Following new properties are added to the list of possible supported properties
 [width="100%",cols="<33%,<17%,<50%",options="header"]
 |====
 | Semaphore Property | Property Value | Description
-// This is already described in cl_khr_semaphore so we don't need to describe it again here.
-//| {CL_DEVICE_HANDLE_LIST_KHR}
-//  | {cl_device_id_TYPE}[]
-//      | Specifies the list of OpenCL devices (terminated with
-//        {CL_DEVICE_HANDLE_LIST_END_KHR}) to associate with the semaphore.
-// This is also already described in cl_khr_semaphore so we don't need to describe it again here.
-//| {CL_SEMAPHORE_TYPE_KHR}
-//  | {cl_semaphore_type_khr_TYPE}
-//      | Specifies the type of semaphore to create.
 | {CL_SEMAPHORE_EXPORT_HANDLE_TYPES_KHR}
   | {cl_external_semaphore_handle_type_khr_TYPE}[]
       | Specifies the list of semaphore handle type properties terminated with
@@ -226,10 +217,6 @@ Following new properties are added to the list of possible supported properties
 
 Add to the list of error conditions for {clCreateSemaphoreWithPropertiesKHR}:
 
-// This is in the base spec so we don't need to describe it here.
-//* {CL_INVALID_DEVICE} if one or more devices identified by properties
-//{CL_DEVICE_HANDLE_LIST_KHR} is/are not part of devices within _context_ to which
-//{cl_semaphore_khr_TYPE} being created will belong to.
 * {CL_INVALID_DEVICE} if one or more devices identified by properties {CL_DEVICE_HANDLE_LIST_KHR} can not import the requested external semaphore handle type.
 
 {clCreateSemaphoreWithPropertiesKHR} may return a NULL value on some implementations if _sema_props_ does not contain an external semaphore handle type to import.
@@ -241,36 +228,6 @@ Add to the list of supported _param_names_ by {clGetSemaphoreInfoKHR}:
 [width="100%",cols="<33%,<17%,<50%",options="header"]
 |====
 | Semaphore Info | Return Type | Description
-// These are already in the base cl_khr_semaphore so we don't need to include them again here.
-//| *CL_SEMAPHORE_CONTEXT_KHR*
-//  | cl_context *
-//      | cl_context
-//          | Returns the cl_context associated with the {cl_semaphore_khr_TYPE}.
-//| *CL_SEMAPHORE_REFERENCE_COUNT_KHR*
-//  | cl_uint *
-//      | cl_uint
-//          | Returns the reference count associated with the {cl_semaphore_khr_TYPE}.
-//| *CL_SEMAPHORE_PROPERTIES_KHR*
-//  | cl_semaphore_properties_khr**
-//      | cl_semaphore_properties_khr*
-//          | Returns the array of properties associated with the {cl_semaphore_khr_TYPE}.
-//| *CL_SEMAPHORE_TYPE_KHR*
-//  | cl_semaphore_type_khr *
-//      | cl_semaphore_type_khr
-//          | Returns the type of the {cl_semaphore_khr_TYPE}.
-//| *CL_SEMAPHORE_PAYLOAD_KHR*
-//  | cl_semaphore_payload_khr *
-//      | cl_semaphore_payload_khr
-//          | Returns the payload value of the {cl_semaphore_khr_TYPE}. For semaphore of
-//            type CL_SEMAPHORE_TYPE_BINARY_KHR, payload value returned should be 0  if the
-//            semaphore is in unsignaled state and 1 if it is in signaled
-//            state.
-//| *CL_DEVICE_HANDLE_LIST_KHR*
-//  |  cl_device_id **
-//      | cl_device_id *
-//          | Returns a NULL terminated list of cl_device_id (terminated with
-//            CL_DEVICE_HANDLE_LIST_END_KHR) for OpenCL devices the semaphore is associated
-//            with.
 | {CL_SEMAPHORE_EXPORT_HANDLE_TYPES_KHR}
   | {cl_external_semaphore_handle_type_khr_TYPE}[]
       | Returns the list of external semaphore handle types that may be used for