Revert "[trace] Introduce Hierarchical Trace Representation (HTR) and add ...

Revert "[trace] Introduce Hierarchical Trace Representation (HTR) and add  command for Intel PT trace visualization"

This reverts commit aad17c55.

Breaks LLDB build on 32 bit Arm/Linux bot:
https://lab.llvm.org/buildbot/#/builders/17/builds/9497

Differential Revision: https://reviews.llvm.org/D105741