fish: functions/l/ll: Drop the -h option

exa prints human readable sizes by default, so the -h option no longer
applies.

fish/.config/fish/functions/l.fish

@@ -1,3 +1,3 @@
 function l -w exa
-  exa -lh $argv
+  exa -l $argv
 end

fish/.config/fish/functions/ll.fish

@@ -1,3 +1,3 @@
 function ll -w exa
-  exa -lah $argv
+  exa -la $argv
 end