Kill deprecated ActiveRecord setter highlighting

Also kill establish_connection, which never really deserved highlighting
to begin with.

Author: tpope

autoload/rails.vim

@@ -689,7 +689,7 @@ function! s:readable_calculate_file_type() dict abort
       let r = "model-".class
     elseif f =~ '_mailer\.rb$'
       let r = "mailer"
-    elseif top =~ '\<\%(validates_\w\+_of\|set_\%(table_name\|primary_key\)\|has_one\|has_many\|belongs_to\)\>'
+    elseif top =~ '\<\%(validates_\w\+_of\|self\.\%(table_name\|primary_key\)\|has_one\|has_many\|belongs_to\)\>'
       let r = "model-arb"
     else
       let r = "model"
@@ -3058,7 +3058,7 @@ function! s:readable_related(...) dict abort
     " elseif self.type_name('helper')
       " return s:findlayout(s:controller())
     elseif self.type_name('model-arb')
-      let table_name = matchstr(join(self.getline(1,50),"\n"),'\n\s*set_table_name\s*[:"'']\zs\w\+')
+      let table_name = matchstr(join(self.getline(1,50),"\n"),'\n\s*self\.table_name\s*=\s*[:"'']\zs\w\+')
       if table_name == ''
         let table_name = rails#pluralize(s:gsub(s:sub(fnamemodify(f,':r'),'.{-}<app/models/',''),'/','_'))
       endif
@@ -3568,7 +3568,7 @@ function! s:BufSyntax()
         syn keyword rubyRailsARCallbackMethod after_create after_destroy after_save after_update after_validation after_validation_on_create after_validation_on_update
         syn keyword rubyRailsARCallbackMethod around_create around_destroy around_save around_update
         syn keyword rubyRailsARCallbackMethod after_commit after_find after_initialize after_rollback after_touch
-        syn keyword rubyRailsARClassMethod attr_accessible attr_protected attr_readonly establish_connection set_inheritance_column set_locking_column set_primary_key set_sequence_name set_table_name
+        syn keyword rubyRailsARClassMethod attr_accessible attr_protected attr_readonly
         syn keyword rubyRailsARValidationMethod validate validates validate_on_create validate_on_update validates_acceptance_of validates_associated validates_confirmation_of validates_each validates_exclusion_of validates_format_of validates_inclusion_of validates_length_of validates_numericality_of validates_presence_of validates_size_of validates_uniqueness_of
         syn keyword rubyRailsMethod logger
       endif