Merge pull request dotnet/coreclr#5375 from pgavlin/CSECleanup
authorPat Gavlin <pgavlin@gmail.com>
Wed, 1 Jun 2016 23:58:48 +0000 (23:58 +0000)
committerPat Gavlin <pgavlin@gmail.com>
Wed, 1 Jun 2016 23:58:48 +0000 (23:58 +0000)
Remove some lexical-CSE-related code.

Commit migrated from https://github.com/dotnet/coreclr/commit/e85f02a0ec48154cb6fe1fa2fa2d7db5e48042cd


Trivial merge