Remove outdated deprecation highlighting

Author: tpope

autoload/rails.vim

@@ -3436,8 +3436,6 @@ function! s:BufSyntax()
       endif
       if t =~ '^controller\>' || t =~ '^view\>' || t=~ '^helper\>'
         syn keyword rubyRailsMethod params request response session headers cookies flash
-        syn match rubyRailsError '[@:]\@<!@\%(params\|request\|response\|session\|headers\|cookies\|flash\)\>'
-        syn match rubyRailsError '\<\%(render_partial\|puts\)\>'
         syn keyword rubyRailsRenderMethod render
         syn keyword rubyRailsMethod logger
       endif
@@ -3450,7 +3448,6 @@ function! s:BufSyntax()
         endif
       elseif t =~ '^controller\>'
         syn keyword rubyRailsControllerMethod helper helper_attr helper_method filter layout url_for serialize exempt_from_layout filter_parameter_logging hide_action cache_sweeper protect_from_forgery caches_page cache_page caches_action expire_page expire_action
-        syn match rubyRailsDeprecatedMethod '\<render_\%(action\|text\|file\|template\|nothing\|without_layout\)\>'
         syn keyword rubyRailsRenderMethod render_to_string redirect_to head
         syn match   rubyRailsRenderMethod '\<respond_to\>?\@!'
         syn keyword rubyRailsFilterMethod before_filter append_before_filter prepend_before_filter after_filter append_after_filter prepend_after_filter around_filter append_around_filter prepend_around_filter skip_before_filter skip_after_filter
@@ -3531,7 +3528,6 @@ function! s:BufSyntax()
       else
         syn cluster erubyRailsRegions contains=erubyOneLiner,erubyBlock,erubyExpression,rubyInterpolation
       endif
-      syn match rubyRailsError '[@:]\@<!@\%(params\|request\|response\|session\|headers\|cookies\|flash\)\>' contained containedin=@erubyRailsRegions
       exe "syn keyword erubyRailsHelperMethod ".s:sub(s:helpermethods(),'<select\s+','')." contained containedin=@erubyRailsRegions"
       syn match erubyRailsHelperMethod '\<select\>\%(\s*{\|\s*do\>\|\s*(\=\s*&\)\@!' contained containedin=@erubyRailsRegions
       syn keyword erubyRailsMethod debugger logger contained containedin=@erubyRailsRegions
@@ -3541,8 +3537,6 @@ function! s:BufSyntax()
         syn keyword erubyRailsMethod local_assigns contained containedin=@erubyRailsRegions
       endif
       syn keyword erubyRailsRenderMethod render contained containedin=@erubyRailsRegions
-      syn match rubyRailsError '[^@:]\@<!@\%(params\|request\|response\|session\|headers\|cookies\|flash\)\>' contained containedin=@erubyRailsRegions
-      syn match rubyRailsError '\<\%(render_partial\|puts\)\>' contained containedin=@erubyRailsRegions
       syn case match
       set isk+=$
       exe "syn keyword javascriptRailsFunction contained ".s:javascript_functions
@@ -3592,13 +3586,11 @@ function! s:HiDefaults()
   hi def link rubyRailsViewMethod             rubyRailsMethod
   hi def link rubyRailsMigrationMethod        rubyRailsMethod
   hi def link rubyRailsControllerMethod       rubyRailsMethod
-  hi def link rubyRailsDeprecatedMethod       rubyRailsError
   hi def link rubyRailsFilterMethod           rubyRailsMethod
   hi def link rubyRailsTestControllerMethod   rubyRailsTestMethod
   hi def link rubyRailsTestMethod             rubyRailsMethod
   hi def link rubyRailsRakeMethod             rubyRailsMethod
   hi def link rubyRailsMethod                 railsMethod
-  hi def link rubyRailsError                  rubyError
   hi def link rubyRailsInclude                rubyInclude
   hi def link rubyRailsUserClass              railsUserClass
   hi def link rubyRailsUserMethod             railsUserMethod