Remove RemoveTree.

All AST nodes are allocated in a memory pool and get deleted by the pool.
RemoveTree doesn't do anything because delete is overloaded for the nodes.

BUG=18469191

Change-Id: I1dc23e894c441db2e2eb1f6e9b8f0c11b2e52b3c
Reviewed-on: https://swiftshader-review.googlesource.com/1452
Reviewed-by: Nicolas Capens <nicolascapens@google.com>
Tested-by: Nicolas Capens <nicolascapens@google.com>
16 files changed
tree: 440d4c3c055c25852b224cfd733fb34c45365ea7
  1. include/
  2. src/
  3. tests/
  4. Readme.txt