public boolean removeDirectoryContextMenuAdapter(@Nonnull DirectoryContextMenuAdapter adapter) {
		return directoryContextMenuAdapters.remove(adapter);
	}
@param adapter
		Adapter to remove.

@return {@code true} when the adapter was removed. {@link false} when the adapter was not previously registered.
recaf-ui/src/main/java/software/coley/recaf/services/cell/context/ContextMenuProviderService.java