Remove unused blocks from ParseActions.cpp.
Remove unused blocks from ParseActions.cpp.

Blocks that still have no equivalent in the CheckASTVisitor remain.

babrodtk/equelle,atgeirr/equelle,sintefmath/equelle,sintefmath/equelle,babrodtk/equelle,atgeirr/equelle,babrodtk/equelle,sintefmath/equelle,atgeirr/equelle,sintefmath/equelle,atgeirr/equelle,sintefmath/equelle,sintefmath/equelle,atgeirr/equelle,atgeirr/equelle,babrodtk/equelle,atgeirr/equelle,babrodtk/equelle,atgeirr/equelle,sintefmath/equelle,sintefmath/equelle,babrodtk/equelle,babrodtk/equelle