[S32/Containers.pod] removed examples from 'map'
[S32/Containers.pod] removed examples from 'map'

The examples didn't particularly add anything that the synopsis didn't
already make clear. Also, the first example could have been written better
with a hash slice, making it didactically non-ideal.

git-svn-id: 53605643c415f7495558be95614cf14171f1db78@26882 c213334d-75ef-0310-aa23-eaa082d1ae64

tokuhirom/specs,perl6/specs,tokuhirom/specs,prammer/specs,prammer/specs,prammer/specs,tokuhirom/specs,perl6/specs