[perl6/specs] 180b53: Revert "Move the design documents into the Raku era"

[Elizabeth Mattijsen]

  Branch: refs/heads/master
  Home:   https://github.com/perl6/specs
  Commit: 180b534bd6f012e7576384326f2e915162c496be
      
https://github.com/perl6/specs/commit/180b534bd6f012e7576384326f2e915162c496be
  Author: Elizabeth Mattijsen <l...@wenzperl.nl>
  Date:   2019-11-16 (Sat, 16 Nov 2019)

  Changed paths:
    M S01-overview.pod
    M S02-bits.pod
    M S03-operators.pod
    M S04-control.pod
    M S05-regex.pod
    M S06-routines.pod
    M S07-lists.pod
    M S08-capture.pod
    M S09-data.pod
    M S10-packages.pod
    M S11-modules.pod
    M S12-objects.pod
    M S13-overloading.pod
    M S14-roles-and-parametric-types.pod
    M S15-unicode.pod
    M S16-io.pod
    M S17-concurrency.pod
    M S19-commandline.pod
    M S21-calling-foreign-code.pod
    M S22-package-format.pod
    M S24-testing.pod
    M S26-documentation.pod
    M S28-special-names.pod
    M S29-functions.pod
    M S31-pragmatic-modules.pod
    M S32-setting-library/Basics.pod
    M S32-setting-library/Containers.pod
    M S32-setting-library/Exception.pod
    M S32-setting-library/IO.pod
    M S32-setting-library/Numeric.pod
    M S32-setting-library/Rules.pod
    M S32-setting-library/Str.pod
    M S32-setting-library/Temporal.pod
    M S99-glossary.pod
    M html/index.html
    M html/perl-with-historical-message.css
    M html/style.css

  Log Message:
  -----------
  Revert "Move the design documents into the Raku era"

This reverts commit 6390a500201b5c26512940b0920cd6e9e5111abf.

Will re-commit as a PR