#1865: Remove unnecessary safe mode for alias/implications

These use Post.raw_tag_match, while the bug only exists when using
Post.tag_match.

app/models/tag_alias.rb

@@ -126,7 +126,6 @@ class TagAlias < ActiveRecord::Base
   end
 
   def update_posts
-    CurrentUser.without_safe_mode do
     Post.without_timeout do
       Post.raw_tag_match(antecedent_name).find_each do |post|
         escaped_antecedent_name = Regexp.escape(antecedent_name)
@@ -142,7 +141,6 @@ class TagAlias < ActiveRecord::Base
       consequent_tag.fix_post_count if consequent_tag
     end
   end
-  end
 
   def rename_wiki_and_artist
     antecedent_wiki = WikiPage.titled(antecedent_name).first

app/models/tag_implication.rb

@@ -126,7 +126,6 @@ class TagImplication < ActiveRecord::Base
   end
 
   def update_posts
-    CurrentUser.without_safe_mode do
     Post.without_timeout do
       Post.raw_tag_match(antecedent_name).find_each do |post|
         fixed_tags = "#{post.tag_string} #{descendant_names}".strip
@@ -138,7 +137,6 @@ class TagImplication < ActiveRecord::Base
       end
     end
   end
-  end
   
   def normalize_names
     self.antecedent_name = antecedent_name.downcase.tr(" ", "_")