Remove manual checks for arguments correctly handled by u_hasBinaryProperty. (#4025)
Remove manual checks for arguments correctly handled by u_hasBinaryProperty. (#4025)

After the DEPS updates, we use Unicode 9.0 and so these workarounds are not necessary. I re-ran all the EmojiTests to verify.
jamesr/flutter_engine,chinmaygarde/flutter_engine,tvolkert/engine,chinmaygarde/sky_engine,devoncarew/engine,tvolkert/engine,devoncarew/engine,aam/engine,mikejurka/engine,flutter/engine,krisgiesing/sky_engine,cdotstout/sky_engine,devoncarew/engine,jason-simmons/flutter_engine,jason-simmons/sky_engine,Hixie/sky_engine,jamesr/flutter_engine,devoncarew/engine,jamesr/sky_engine,jason-simmons/flutter_engine,mikejurka/engine,Hixie/sky_engine,flutter/engine,jamesr/flutter_engine,jamesr/sky_engine,chinmaygarde/flutter_engine,mikejurka/engine,jason-simmons/sky_engine,jamesr/sky_engine,krisgiesing/sky_engine,flutter/engine,mikejurka/engine,rmacnak-google/engine,chinmaygarde/sky_engine,Hixie/sky_engine,jason-simmons/sky_engine,devoncarew/sky_engine,flutter/engine,rmacnak-google/engine,chinmaygarde/sky_engine,krisgiesing/sky_engine,aam/engine,aam/engine,jamesr/sky_engine,devoncarew/sky_engine,mikejurka/engine,devoncarew/sky_engine,chinmaygarde/sky_engine,jason-simmons/sky_engine,Hixie/sky_engine,mikejurka/engine,flutter/engine,devoncarew/sky_engine,chinmaygarde/flutter_engine,jason-simmons/sky_engine,devoncarew/sky_engine,tvolkert/engine,flutter/engine,chinmaygarde/flutter_engine,tvolkert/engine,chinmaygarde/flutter_engine,jason-simmons/flutter_engine,Hixie/sky_engine,mikejurka/engine,tvolkert/engine,cdotstout/sky_engine,Hixie/sky_engine,cdotstout/sky_engine,rmacnak-google/engine,aam/engine,cdotstout/sky_engine,jason-simmons/sky_engine,jamesr/sky_engine,aam/engine,tvolkert/engine,jamesr/sky_engine,flutter/engine,krisgiesing/sky_engine,jason-simmons/flutter_engine,devoncarew/sky_engine,cdotstout/sky_engine,devoncarew/engine,jamesr/flutter_engine,rmacnak-google/engine,cdotstout/sky_engine,cdotstout/sky_engine,jamesr/flutter_engine,devoncarew/sky_engine,devoncarew/engine,rmacnak-google/engine,chinmaygarde/flutter_engine,chinmaygarde/sky_engine,jamesr/flutter_engine,flutter/engine,mikejurka/engine,chinmaygarde/flutter_engine,mikejurka/engine,krisgiesing/sky_engine,jason-simmons/flutter_engine,Hixie/sky_engine,krisgiesing/sky_engine,jason-simmons/flutter_engine,jason-simmons/flutter_engine,chinmaygarde/sky_engine,aam/engine,jamesr/flutter_engine,krisgiesing/sky_engine,jamesr/flutter_engine,jamesr/sky_engine,tvolkert/engine,jason-simmons/sky_engine,jason-simmons/flutter_engine,jamesr/flutter_engine,Hixie/sky_engine,rmacnak-google/engine,aam/engine,chinmaygarde/sky_engine,devoncarew/engine,rmacnak-google/engine,aam/engine