Remove org.eclipse.swt.win32.win32.x86_64 fragment from simantics codebase when target is updated to 4.18 or later
Once we move our codebase to Eclipse RCP 4.18 or later, we no longer need the workaround done in #623 (closed).
Once we move our codebase to Eclipse RCP 4.18 or later, we no longer need the workaround done in #623 (closed).