Remove CTypeIdInitializerExpression.
This class represented "compound literals",
which are expressions that create a new struct (with an initializer)
inline.
Example: f((struct s) { .x = 0 });
We can simply replace this construct with a temporary variable.
This fixes #164.

git-svn-id: https://svn.sosy-lab.org/software/cpachecker/trunk@13629 4712c6d2-40bb-43ae-aa4b-fec3f1bdfe4c