[IMP] account_statement_base: Remove unnecessary code

Unnecessary code when merging https://github.com/odoo/odoo/pull/182497

account_statement_base/models/account_bank_statement.py

@@ -4,25 +4,6 @@ from odoo import _, models
 class AccountBankStatement(models.Model):
     _inherit = "account.bank.statement"
 
-    # TODO: Delete if merged https://github.com/odoo/odoo/pull/182497
-    def _compute_date_index(self):
-        """The super() method does not take into account lines that do not have
-        internal_index set yet, and causes sorted() to fail, we need to re-define
-        the method in these cases to avoid the error.
-        """
-        _self = self
-        for stmt in self:
-            if any(not line.internal_index for line in stmt.line_ids):
-                _self -= stmt
-                sorted_lines = stmt.line_ids.filtered("internal_index").sorted(
-                    "internal_index"
-                )
-                stmt.first_line_index = sorted_lines[:1].internal_index
-                stmt.date = sorted_lines.filtered(lambda l: l.state == "posted")[
-                    -1:
-                ].date
-        return super(AccountBankStatement, _self)._compute_date_index()
-
     def action_open_statement_lines(self):
         self.ensure_one()
         if not self:

account_statement_base/models/account_bank_statement_line.py

@@ -7,13 +7,6 @@ from odoo import models
 class AccountBankStatementLine(models.Model):
     _inherit = "account.bank.statement.line"
 
-    # TODO: Delete if merged https://github.com/odoo/odoo/pull/182497
-    def _compute_running_balance(self):
-        # We need to set value to all records because super() does not do it using sql.
-        for item in self:
-            item.running_balance = item.running_balance
-        return super()._compute_running_balance()
-
     def action_open_journal_entry(self):
         self.ensure_one()
         if not self: