Remove passing needless empty string `options` in `create_table`

Follow up of #31177.

activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb

@@ -95,6 +95,7 @@ def add_table_options!(create_sql, options)
             if options_sql = options[:options]
               create_sql << " #{options_sql}"
             end
+            create_sql
           end
 
           def column_options(o)

activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb

@@ -292,10 +292,6 @@ def table_comment(table_name) # :nodoc:
         SQL
       end
 
-      def create_table(table_name, **options) #:nodoc:
-        super(table_name, options: "", **options)
-      end
-
       def bulk_change_table(table_name, operations) #:nodoc:
         sqls = operations.flat_map do |command, args|
           table, arguments = args.shift, args

activerecord/test/cases/adapters/mysql2/active_schema_test.rb

@@ -68,14 +68,14 @@ def test_index_in_create
     def (ActiveRecord::Base.connection).data_source_exists?(*); false; end
 
     %w(SPATIAL FULLTEXT UNIQUE).each do |type|
-      expected = "CREATE TABLE `people` (#{type} INDEX `index_people_on_last_name`  (`last_name`)) "
+      expected = "CREATE TABLE `people` (#{type} INDEX `index_people_on_last_name`  (`last_name`))"
       actual = ActiveRecord::Base.connection.create_table(:people, id: false) do |t|
         t.index :last_name, type: type
       end
       assert_equal expected, actual
     end
 
-    expected = "CREATE TABLE `people` ( INDEX `index_people_on_last_name` USING btree (`last_name`(10))) "
+    expected = "CREATE TABLE `people` ( INDEX `index_people_on_last_name` USING btree (`last_name`(10)))"
     actual = ActiveRecord::Base.connection.create_table(:people, id: false) do |t|
       t.index :last_name, length: 10, using: :btree
     end
@@ -160,7 +160,7 @@ def test_indexes_in_create
     ActiveRecord::Base.connection.stubs(:data_source_exists?).with(:temp).returns(false)
     ActiveRecord::Base.connection.stubs(:index_name_exists?).with(:index_temp_on_zip).returns(false)
 
-    expected = "CREATE TEMPORARY TABLE `temp` ( INDEX `index_temp_on_zip`  (`zip`))  AS SELECT id, name, zip FROM a_really_complicated_query"
+    expected = "CREATE TEMPORARY TABLE `temp` ( INDEX `index_temp_on_zip`  (`zip`)) AS SELECT id, name, zip FROM a_really_complicated_query"
     actual = ActiveRecord::Base.connection.create_table(:temp, temporary: true, as: "SELECT id, name, zip FROM a_really_complicated_query") do |t|
       t.index :zip
     end