fix(file-templates): indentation for licenses

And remove superfluous tabstops in gpl3 license.

modules/editor/file-templates/templates/text-mode/__license-gpl3

@@ -3,6 +3,7 @@
 # uuid: __license-gpl3
 # group: Licenses
 # contributor: https://choosealicense.com/licenses/gpl-3.0/
+# expand-env: ((yas-indent-line 'fixed))
 # --
                     GNU GENERAL PUBLIC LICENSE
                        Version 3, 29 June 2007
@@ -658,7 +659,7 @@ Also add information on how to contact you by electronic and paper mail.
   If the program does terminal interaction, make it output a short
 notice like this when it starts in an interactive mode:
 
-    ${3:<program>}  Copyright (C) ${1:`(format-time-string "%Y")`} ${2:`user-full-name`}
+    <program>  Copyright (C) <year>  <name of author>
     This program comes with ABSOLUTELY NO WARRANTY; for details type \`show w'.
     This is free software, and you are welcome to redistribute it
     under certain conditions; type \`show c' for details.