Remove all "nd" classes not used in JDT anymore

Remaining "nd" classes are still used by regular indexer code:
BinaryModuleDescriptor, BinaryModuleFactory, BinaryTypeDescriptor,
BinaryTypeFactory and CharArrayUtils.

Change-Id: I7f96545d815953100bdf514201a5b2ed70568f41
Signed-off-by: Andrey Loskutov <loskutov@gmx.de>
Reviewed-on: https://git.eclipse.org/r/c/jdt/eclipse.jdt.core/+/182688
Tested-by: JDT Bot <jdt-bot@eclipse.org>