[DynInst_API:] [dyninst/dyninst] 9280f0: Clean up "unused variable" warnings (#990)

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  Branch: refs/heads/master
  Home:   https://github.com/dyninst/dyninst
  Commit: 9280f03789acf0a39182b86071ba09c1e2b0686d
      https://github.com/dyninst/dyninst/commit/9280f03789acf0a39182b86071ba09c1e2b0686d
  Author: Tim Haines <thaines.astro@xxxxxxxxx>
  Date:   2021-02-04 (Thu, 04 Feb 2021)

  Changed paths:
    M dyninstAPI/src/Relocation/Springboard.C
    M dyninstAPI/src/pcEventHandler.C
    M parseAPI/src/IA_power.C
    M parseAPI/src/Parser.C
    M proccontrol/src/process.C
    M symtabAPI/src/Object-elf.C
    M symtabAPI/src/Symtab.C
    M symtabAPI/src/dwarfWalker.C
    M symtabAPI/src/emitElfStatic.C

  Log Message:
  -----------
  Clean up "unused variable" warnings (#990)

* Remove declaration of 'mostRecentLinenum' from Object::parseStabTypes

Its usage was removed in 41ef642f3.

* Remove unused variable 'tlsBssSize' from emitElfStatic::tlsLayoutVariant1

Its usage was removed by 760bfda6e in 2019.

* Remove unused variable 'ctp' from Parser::parse_frame_one_iteration

Its usage was removed by c4914b9d1 in 2018.

* Remove unused variable 'nextBlock' from Parser::parse_frame_one_iteration

Its usage was removed by 07bdc17e2 in 2018.

* Remove unused variable 'block_exist' from Parser::set_edge_parsing_status

It was added by 07bdc17e2 in 2018, but never used.

* Remove unused variable 'usedTrap' in SpringboardBuilder::generateSpringboard

Its usage was removed by d233ae7596 in 2020.

* Remove unused variable 'hasNoteSection' from Symtab::getFreeOffset

Its usage was removed by cccad8ee928 in 2020.

* Remove unused variable 'isStaticBinary' from Symtab::getFreeOffset

Its usage was removed by cccad8ee928 in 2020.

* Remove unused variable 'adjustedEnd' from emitElfStatic::tlsLayoutVariant1

Its usage was removed by 760bfda6e in 2019.

* Remove unused variable 'old' from DwarfWalker::parseSubprogram

Its usage was removed by d233ae759 in 2020.

* Remove unused variables in int_thread::StateTracker::setState

Their usages were removed by f7d9378cb14 in 2019.

* Remove unused variables from Parser::postProcessFrame

They were added by 62b7d1f21d in 2010, but never used.

* Remove unused variable 'tfunc' from Parser::parse_frame_one_iteration

It was added by 67fce2e5d in 2018, but never used.

* Remove unused variables from Parser::block_at

They were added by 62b7d1f21d7 in 2010, but never used.

* Remove unused variable 'original_block' from Parser::add_edge

It was added by 93cc790a in 2018, but never used.

* Remove unused variable 'tblock' from Parser::bind_call

It was added by 62b7d1f21d7 in 2010, but never used.

* Remove unused variables in Parser::relink

They were added by a362bea48a4 in 2018, but never used.

* Remove unused variables from Parser::inspect_value_driven_jump_tables

There were added by 95e89bc34 in 2018, but never used.

* Move declaration of 'insn' into macro check in checkLinkerStub

It was created by 7afca634d7 in 2010

* Remove unused variable 'zero' from PCEventHandler::handleRTBreakpoint

It was added by 785d402904 in 2010, but never used.

* Remove unused variable 'size' in InstalledSpringboards::addBlocks