Remove src-plugins/pom.xml

All of Fiji's sub-projects live in their own repository now.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Remove the Updater_Fix version from the pom.xml

Nothing should rely on Updater_Fix as a dependency, anyway.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Sort the properties in pom.xml defining Fiji sub-projects' versions

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Remove submodule links

In the olden times of Fiji, we linked to external projects via submodules.

But we switched to a much saner way: release bindings. So let's get rid of
the outdated submodule links.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Ignore the directories of former submodules

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>