AO3-6626 correct rubocop violations

app/models/tag.rb

@@ -110,7 +110,7 @@ def commentable_owners
   end
 
   has_many :mergers, foreign_key: 'merger_id', class_name: 'Tag'
-  belongs_to :merger, class_name: 'Tag'
+  belongs_to :merger, class_name: "Tag"
   belongs_to :fandom
   belongs_to :media
   belongs_to :last_wrangler, polymorphic: true
@@ -161,17 +161,18 @@ def commentable_owners
   has_many :tag_set_associations, dependent: :destroy
   has_many :parent_tag_set_associations, class_name: 'TagSetAssociation', foreign_key: 'parent_tag_id', dependent: :destroy
 
-  validates_presence_of :name
+  validates :name, presence: true
   validates :name, uniqueness: true
-  validates_length_of :name, minimum: 1, message: "cannot be blank."
-  validates_length_of :name,
-    maximum: ArchiveConfig.TAG_MAX,
-    message: "^Tag name '%{value}' is too long -- try using less than %{count} characters or using commas to separate your tags."
-  validates_format_of :name,
-    with:    /\A[^,，、*<>^{}=`\\%]+\z/,
-    message: "^Tag name '%{value}' cannot include the following restricted characters: , &#94; * < > { } = ` ， 、 \\ %"
-
-  validates_presence_of :sortable_name
+  validates :name,
+            length: { minimum: 1,
+                      message: "cannot be blank." }
+  validates :name,
+            length: { maximum: ArchiveConfig.TAG_MAX,
+                      message: "^Tag name '%{value}' is too long -- try using less than %{count} characters or using commas to separate your tags." }
+  validates :name,
+            format: { with: /\A[^,，、*<>^{}=`\\%]+\z/,
+                      message: "^Tag name '%{value}' cannot include the following restricted characters: , &#94; * < > { } = ` ， 、 \\ %" }
+  validates :sortable_name, presence: true
 
   validate :unwrangleable_status
   def unwrangleable_status