Remove obsolete format notes

All of these pages are severely outdated, and if updated would not
contain any information that is not already present in source code
comments and the existing format pages.

See #9835.
Final updates to the reader implementation guide

Closes #4534.
Recommend Homebrew instead of MacPorts

See #9835 and
https://github.com/openmicroscopy/bioformats/pull/243#commitcomment-2219859
Remove outdated paragraph
Add Javadoc links to the reader guide
Put metadata support documentation into Sphinx

The summary table still needs a little work.

See #9835.
Fix formatting of format pages
Use 'fiji.sc' instead of 'pacific.mpi-cbg.de'
Fix library table column widths
Fix javadoc links
Add more source and javadoc links
Fix line lengths
Fix various metadata support page issues

Also, include the metadata support pages in the TOC.
merge dev_4_4 --exclude conflict needs-fixes broken: PR 312 (Return Bio-Formats version in bfCheckJavaPath())
merge dev_4_4 --exclude conflict needs-fixes broken: PR 313 (Sprint 4 bug fixes)
merge dev_4_4 --exclude conflict needs-fixes broken: PR 322 (Extlinks review)
merge dev_4_4 --exclude conflict needs-fixes broken: PR 324 (Documentation updates)
merge dev_4_4 --exclude conflict needs-fixes broken

Repository: openmicroscopy/bioformats
Updating 03770c0..7c0e124
Merged PRs:
  # PR 312 sbesson 'Return Bio-Formats version in bfCheckJavaPath()'
  # PR 313 melissalinkert 'Sprint 4 bug fixes'
  # PR 322 sbesson 'Extlinks review'
  # PR 324 melissalinkert 'Documentation updates'

Generated by OMERO-merge-4.4#107 (http://hudson.openmicroscopy.org.uk/job/OMERO-merge-4.4/107/)