Cleanup languages file to fix tests

lib/linguist/languages.yml

@@ -1417,12 +1417,6 @@ Rust:
   color: "#dea584"
   primary_extension: .rs
 
-reStructuredText:
-  type: prose
-  lexer: Text only
-  wrap: true
-  primary_extension: .rst
-
 SCSS:
   type: markup
   group: CSS
@@ -1821,7 +1815,7 @@ ooc:
   primary_extension: .ooc
 
 reStructuredText:
-  type: markup
+  type: prose
   wrap: true
   search_term: rst
   aliases: