Revert "Debug patch for Bug#17665497 DATANODE CRASH IN DBTUPDISKALLOC.CPP DBTUP (LINE: 848) 0X00000000"

This reverts commit d19890615ed0c86eb0b065b70a8744841ce5d1d0.

Author: zmur

storage/ndb/src/kernel/blocks/dbtup/DbtupDiskAlloc.cpp

@@ -1976,7 +1976,7 @@ Dbtup::disk_restart_alloc_extent(EmulatedJamBuffer* jamBuf,
 Uint32 pos= alloc.calc_extent_pos(old.p);
 Local_extent_info_list new_list(c_extent_pool, alloc.m_free_extents[pos]);
 #if defined VM_TRACE || defined ERROR_INSERT
- // ndbrequire(!"Bug17665497: debugging suspect code path.");
+ ndbrequire(!"Bug17665497: debugging suspect code path.");
  /**
  * old is already in list with head alloc.m_extent_list.
  * Before adding it to new_list it should be removed from
@@ -2058,7 +2058,6 @@ Dbtup::disk_page_get_allocated(const Tablerec* tabPtrP,
  for (list.first(extentPtr); !extentPtr.isNull(); list.next(extentPtr))
  {
 #if defined VM_TRACE || defined ERROR_INSERT
- // Bug17665497: debugging suspect code path in disk_restart_alloc_extent()
  ndbrequire(extentPtr.p->m_free_matrix_pos == RNIL);
 #endif
  cnt++;