prevent double _static in the twemoji file path

Fix pyvec#436

Author: honzajavorek

docs/conf.py

@@ -142,7 +142,7 @@
 
 # Ensures consistent emoji style on all computers, operating systems, browsers
 sphinxemoji_style = "twemoji"
-sphinxemoji_source = "_static/twemoji.min.js"
+sphinxemoji_source = "twemoji.min.js"
 
 
 # -- Setting up extensions ---------------------------------------------------