Remove vale FIXME

https://github.com/errata-ai/vale/issues/818 is fixed a year ago

Library/Homebrew/dev-cmd/tap-new.rb

@@ -49,8 +49,6 @@ module Homebrew
 
         (tap.path/"Formula").mkpath
 
-        # FIXME: https://github.com/errata-ai/vale/issues/818
-        # <!-- vale off -->
         readme = <<~MARKDOWN
           # #{titleized_user} #{titleized_repository}
 
@@ -71,7 +69,6 @@ module Homebrew
 
           `brew help`, `man brew` or check [Homebrew's documentation](https://docs.brew.sh).
         MARKDOWN
-        # <!-- vale on -->
         write_path(tap, "README.md", readme)
 
         tests_yml = <<~ERB

Library/Homebrew/formula_creator.rb

@@ -116,8 +116,6 @@ module Homebrew
 
     sig { returns(String) }
     def template
-      # FIXME: https://github.com/errata-ai/vale/issues/818
-      # <!-- vale off -->
       <<~ERB
         # Documentation: https://docs.brew.sh/Formula-Cookbook
         #                https://rubydoc.brew.sh/Formula
@@ -261,7 +259,6 @@ module Homebrew
           end
         end
       ERB
-      # <!-- vale on -->
     end
   end
 end