pools: allow new users to remove posts from pools.

Remove the rule that users less than a week old can't remove posts from
pools.

app/models/pool.rb

@@ -7,7 +7,6 @@ class Pool < ApplicationRecord
   validates_uniqueness_of :name, case_sensitive: false, if: :name_changed?
   validate :validate_name, if: :name_changed?
   validates_inclusion_of :category, :in => %w(series collection)
-  validate :updater_can_remove_posts
   validate :updater_can_edit_deleted
   before_validation :normalize_post_ids
   before_validation :normalize_name
@@ -173,7 +172,6 @@ class Pool < ApplicationRecord
 
   def remove!(post)
     return unless contains?(post.id)
-    return unless CurrentUser.user.can_remove_from_pools?
 
     with_lock do
       reload
@@ -276,11 +274,4 @@ class Pool < ApplicationRecord
       errors[:name] << "cannot contain only digits"
     end
   end
-
-  def updater_can_remove_posts
-    removed = post_ids_was - post_ids
-    if removed.any? && !CurrentUser.user.can_remove_from_pools?
-      errors[:base] << "You cannot removes posts from pools within the first week of sign up"
-    end
-  end
 end

app/models/post.rb

@@ -1011,7 +1011,6 @@ class Post < ApplicationRecord
 
     def remove_pool!(pool)
       return unless belongs_to_pool?(pool)
-      return unless CurrentUser.user.can_remove_from_pools?
 
       with_lock do
         self.pool_string = pool_string.gsub(/(?:\A| )pool:#{pool.id}(?:\Z| )/, " ").strip

app/models/user.rb

@@ -414,10 +414,6 @@ class User < ApplicationRecord
       CommentVote.where("user_id = ? and created_at > ?", id, 1.hour.ago).count < 10
     end
 
-    def can_remove_from_pools?
-      created_at <= 1.week.ago
-    end
-
     def upload_limit
       @upload_limit ||= UploadLimit.new(self)
     end
@@ -509,7 +505,7 @@ class User < ApplicationRecord
           custom_style favorite_count api_regen_multiplier
           api_burst_limit remaining_api_limit statement_timeout
           favorite_group_limit favorite_limit tag_query_limit
-          can_remove_from_pools? is_comment_limited?
+          is_comment_limited?
           can_comment? max_saved_searches theme
         ]
       end