change "gay-male" to "achillean"

README.md

@@ -7,6 +7,7 @@ All are welcome to use and re-purpose our emoji files as they see fit.
 
 ## Pride Set
 
+![:achillean:](dist/pride/achillean.png?raw=true ":achillean:")
 ![:agender:](dist/pride/agender.png?raw=true ":agender:")
 ![:aromantic:](dist/pride/aromantic.png?raw=true ":aromantic:")
 ![:asexual:](dist/pride/asexual.png?raw=true ":asexual:")
@@ -16,7 +17,6 @@ All are welcome to use and re-purpose our emoji files as they see fit.
 ![:demiboy:](dist/pride/demiboy.png?raw=true ":demiboy:")
 ![:demigirl:](dist/pride/demigirl.png?raw=true ":demigirl:")
 ![:demisexual:](dist/pride/demisexual.png?raw=true ":demisexual:")
-![:gay_male:](dist/pride/gay-male.png?raw=true ":gay_male:")
 ![:genderfluid:](dist/pride/genderfluid.png?raw=true ":genderfluid:")
 ![:genderqueer:](dist/pride/genderqueer.png?raw=true ":genderqueer:")
 ![:intersex:](dist/pride/intersex.png?raw=true ":intersex:")