[PROPOSAL] Remove docs/imcc/macros.pod

I updated pdd19 a bit in the section for macros. All relevant
information is taken from docs/imcc/macros.pod.

I suggest the latter file is no longer needed, and can be removed.

comments welcome,
kjs

• [PROPOSAL] Remove docs/imcc/macros.pod by Klaas-Jan Stol
• Re: [PROPOSAL] Remove docs/imcc/macros.pod by chromatic
• Re: [PROPOSAL] Remove docs/imcc/macros.pod by Klaas-Jan Stol