Fix twitter link to use the one true twitter logo.

Author: lostluck

config.toml

@@ -96,7 +96,7 @@ summaryLength = 70
 
 [[params.social]]
       name = "Twitter"
-      icon = "fa-brands fa-x-twitter fa-2x"
+      icon = "fa-brands fa-twitter fa-2x"
       weight = 6
       url = "https://twitter.com/lostluck/"