aliases/implications: don't retry if approving fails.

This was originally meant to deal with statement timeouts when updating
tags. This is no longer a problem.

app/models/tag_alias.rb

@@ -53,9 +53,6 @@ class TagAlias < TagRelationship
       raise errors.full_messages.join("; ")
     end
 
-    tries = 0
-
-    begin
     CurrentUser.scoped(User.system) do
       update!(status: "processing")
       move_aliases_and_implications
@@ -67,12 +64,6 @@ class TagAlias < TagRelationship
       update!(status: "active")
     end
   rescue Exception => e
-      if tries < 5
-        tries += 1
-        sleep 2**tries
-        retry
-      end
-
     CurrentUser.scoped(approver) do
       forum_updater.update(failure_message(e), "FAILED") if update_topic
       update(status: "error: #{e}")
@@ -80,7 +71,6 @@ class TagAlias < TagRelationship
 
     DanbooruLogger.log(e, tag_alias_id: id, antecedent_name: antecedent_name, consequent_name: consequent_name)
   end
-  end
 
   def absence_of_transitive_relation
     return if is_rejected?

app/models/tag_implication.rb

@@ -131,9 +131,6 @@ class TagImplication < TagRelationship
         raise errors.full_messages.join("; ")
       end
 
-      tries = 0
-
-      begin
       CurrentUser.scoped(User.system) do
         update(status: "processing")
         update_posts
@@ -142,18 +139,11 @@ class TagImplication < TagRelationship
         forum_updater.update(approval_message(approver), "APPROVED") if update_topic
       end
     rescue Exception => e
-        if tries < 5
-          tries += 1
-          sleep 2**tries
-          retry
-        end
-
       forum_updater.update(failure_message(e), "FAILED") if update_topic
       update(status: "error: #{e}")
 
       DanbooruLogger.log(e, tag_implication_id: id, antecedent_name: antecedent_name, consequent_name: consequent_name)
     end
-    end
 
     def approve!(approver: CurrentUser.user, update_topic: true)
       update(approver: approver, status: "queued")