Correct typo: Intructions -> Instructions


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@191972 91177308-0d34-0410-b5e6-96231b3b80d8
Remove unused local variable.

git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@191974 91177308-0d34-0410-b5e6-96231b3b80d8