Update relatedwork.tex

AAAI2021/tex/relatedwork.tex

@@ -35,7 +35,7 @@ For example, ~\citet{kirby2015compression} explored how the pressures for expres
 ~\citet{evtimova2018emergent} designed a novel multi-modal scenarios, which the speaker and the listener should access to different modalities of the input object, to explore the language emergence.
 Such factors are deliberately designed, which are too ideal to be true in
 the real world. None of these works realizes the importance of model capacity of
-agent itself. \rmk{this should be largely emphasized.}
+agent itself.