Revert "Add MemoryMappedSection struct for two-level memory map iteration"

This reverts commit c8095ce74118dee8544b0f1ffaba8f46aa10215c.

Reverted due to some buildbot timeouts, perhaps due to 10.11 issues.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@308395 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed