check if all sendEventToAllServersInRoom should be followed by an emitter

[github-actions]

homeserver/packages/federation-sdk/src/services/room.service.ts

Lines 1282 to 1285 in e39d5b1

	// TODO: check if all sendEventToAllServersInRoom should be followed by an emitter
	void this.federationService.sendEventToAllServersInRoom(event);
	logger.info(`Successfully marked room ${roomId} as tombstone`);

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This issue was generated by todo-issue based on a TODO comment in e39d5b1. It's been assigned to @ggazzo because they committed the code.