Remove invalid reference to deleted TRPrecipitationSpec file
Remove invalid reference to deleted TRPrecipitationSpec file

This file was removed in the previous commit
but this reference was accidentally left around.

Ezimetzhan/Tropos,tkafka/Tropos,coty/Tropos,faimin/Tropos,coty/Tropos,thoughtbot/Tropos,red3/Tropos,thoughtbot/Tropos,thoughtbot/Tropos,red3/Tropos,andreamazz/Tropos,Ezimetzhan/Tropos,tkafka/Tropos,faimin/Tropos,faimin/Tropos,hanpanpan200/Tropos,lufeifan531/Tropos,lufeifan531/Tropos,tkafka/Tropos,kevinnguy/Tropos,kevinnguy/Tropos,hanpanpan200/Tropos,red3/Tropos,coty/Tropos,andreamazz/Tropos,lufeifan531/Tropos,hanpanpan200/Tropos,andreamazz/Tropos,Ezimetzhan/Tropos,kevinnguy/Tropos