[analyzer] Remove CallEnterNodeBuilder and simplify ExprEngine::processCallEnter().

This removes analysis of other translation units, but that was an experimental feature anyway that we will revisit later.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147705 91177308-0d34-0410-b5e6-96231b3b80d8
6 files changed