Eliminate fx_log_init call (#17622)
Eliminate fx_log_init call (#17622)

fx_log_init was already a no-op, and was eliminated in the latest
Fuchsia SDK.

See: https://fuchsia.googlesource.com/fuchsia/+/47e568475f535c00f53c86e19ff4d8736a7b261f
devoncarew/sky_engine,devoncarew/engine,rmacnak-google/engine,jason-simmons/sky_engine,jamesr/flutter_engine,jason-simmons/sky_engine,aam/engine,jason-simmons/flutter_engine,cdotstout/sky_engine,aam/engine,chinmaygarde/flutter_engine,tvolkert/engine,jason-simmons/flutter_engine,tvolkert/engine,jason-simmons/sky_engine,devoncarew/engine,Hixie/sky_engine,chinmaygarde/sky_engine,jamesr/flutter_engine,rmacnak-google/engine,tvolkert/engine,chinmaygarde/sky_engine,flutter/engine,tvolkert/engine,chinmaygarde/sky_engine,cdotstout/sky_engine,flutter/engine,jason-simmons/flutter_engine,Hixie/sky_engine,jamesr/flutter_engine,chinmaygarde/sky_engine,jason-simmons/flutter_engine,aam/engine,tvolkert/engine,chinmaygarde/flutter_engine,flutter/engine,tvolkert/engine,rmacnak-google/engine,devoncarew/engine,devoncarew/sky_engine,Hixie/sky_engine,chinmaygarde/flutter_engine,chinmaygarde/flutter_engine,jamesr/sky_engine,jamesr/flutter_engine,Hixie/sky_engine,aam/engine,rmacnak-google/engine,flutter/engine,jason-simmons/sky_engine,rmacnak-google/engine,devoncarew/sky_engine,chinmaygarde/flutter_engine,devoncarew/engine,jason-simmons/sky_engine,tvolkert/engine,flutter/engine,devoncarew/engine,jason-simmons/flutter_engine,devoncarew/sky_engine,devoncarew/engine,Hixie/sky_engine,chinmaygarde/flutter_engine,devoncarew/sky_engine,cdotstout/sky_engine,aam/engine,cdotstout/sky_engine,devoncarew/sky_engine,jamesr/sky_engine,cdotstout/sky_engine,jamesr/flutter_engine,jamesr/sky_engine,jamesr/sky_engine,chinmaygarde/flutter_engine,chinmaygarde/sky_engine,jason-simmons/flutter_engine,jason-simmons/flutter_engine,flutter/engine,jamesr/flutter_engine,flutter/engine,jamesr/sky_engine,Hixie/sky_engine,chinmaygarde/sky_engine,cdotstout/sky_engine,flutter/engine,devoncarew/sky_engine,aam/engine,jamesr/flutter_engine,jason-simmons/sky_engine,jamesr/sky_engine,jamesr/flutter_engine,aam/engine,jason-simmons/sky_engine,Hixie/sky_engine,jamesr/flutter_engine,jamesr/sky_engine,chinmaygarde/sky_engine,rmacnak-google/engine,rmacnak-google/engine,aam/engine,devoncarew/engine,cdotstout/sky_engine,jason-simmons/flutter_engine,Hixie/sky_engine