Add missing heading ids on lang:ja

[katzchang]

Fix for #5555 :

• Explicitly specify some head ids
• Remove ignore rules

ja/docs/zero-code/php/index.html
  hash does not exist --- ja/docs/zero-code/php/index.html --> /ja/docs/concepts/context-propagation/#propagation
ja/docs/languages/ruby/sampling/index.html
  hash does not exist --- ja/docs/languages/ruby/sampling/index.html --> /ja/docs/concepts/sampling#head-sampling
ja/docs/languages/erlang/sampling/index.html
  hash does not exist --- ja/docs/languages/erlang/sampling/index.html --> /ja/docs/concepts/sampling#head-sampling
  hash does not exist --- ja/docs/languages/erlang/sampling/index.html --> /ja/docs/concepts/sampling/#head-sampling
ja/docs/concepts/glossary/index.html
  hash does not exist --- ja/docs/concepts/glossary/index.html --> /ja/docs/what-is-opentelemetry/#history
  hash does not exist --- ja/docs/concepts/glossary/index.html --> /ja/docs/what-is-opentelemetry/#history
ja/docs/languages/js/sampling/index.html
  hash does not exist --- ja/docs/languages/js/sampling/index.html --> /ja/docs/concepts/sampling#head-sampling
ja/docs/concepts/signals/baggage/index.html
  hash does not exist --- ja/docs/concepts/signals/baggage/index.html --> /ja/docs/concepts/context-propagation/#context
  hash does not exist --- ja/docs/concepts/signals/baggage/index.html --> /ja/docs/concepts/context-propagation/#propagation
ja/docs/concepts/components/index.html
  hash does not exist --- ja/docs/concepts/components/index.html --> /ja/docs/concepts/sampling/#head-sampling
pt/docs/zero-code/php/index.html

[svrnm]

thanks @katzchang!