[MIG] account: Migrate remaining old API chuncks of code

addons/account/__init__.py

addons/account/data/account_data.xml

addons/account/data/data_account_type.xml

addons/account/data/invoice_action_data.xml

addons/account/demo/account_demo.xml

addons/account/models/account.py

addons/account/models/account_analytic_line.py

addons/account/models/account_bank_statement.py

addons/account/models/account_invoice.py

addons/account/models/account_journal_dashboard.py

addons/account/models/account_move.py

addons/account/models/account_payment.py

addons/account/models/chart_template.py

addons/account/models/company.py

addons/account/models/partner.py

addons/account/models/product.py

addons/account/models/res_config.py

addons/account/models/web_planner.py

addons/account/report/account_aged_partner_balance.py

addons/account/report/account_balance.py