Undo --embed -> __main__ conversion.

Cython/Compiler/Pipeline.py

@@ -27,9 +27,6 @@ def abort_on_errors(node):
 def parse_stage_factory(context):
     def parse(compsrc):
         source_desc = compsrc.source_desc
-        if Options.embed:
-            full_module_name = "__main__"
-        else:
         full_module_name = compsrc.full_module_name
         initial_pos = (source_desc, 1, 0)
         saved_cimport_from_pyx, Options.cimport_from_pyx = Options.cimport_from_pyx, False