[analyzer] Remove AggExprVisitor, a dead class that assisted in visiting C++ expressions with a "base object", because the CFG is now linearized.

The only use of AggExprVisitor was in #if 0 code (the analyzer's incomplete C++ support), so there is no actual behavioral change anyway.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152856 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed