Revert "perlPackages: add default meta.mainProgram (#176398)"

This reverts commit ff7b216dcf3b3396b24ebd73204f6841839bdd2a.

Changed files
-1
pkgs
development
perl-modules
generic
-1
pkgs/development/perl-modules/generic/default.nix
···
(let
defaultMeta = {
homepage = "https://metacpan.org/release/${lib.getName attrs}"; # TODO: phase-out `attrs.name`
-
mainProgram = attrs.pname or (builtins.parseDrvName attrs.name).name;
platforms = perl.meta.platforms;
};
···
(let
defaultMeta = {
homepage = "https://metacpan.org/release/${lib.getName attrs}"; # TODO: phase-out `attrs.name`
platforms = perl.meta.platforms;
};