Rename informations into information
Many modules use plural form for information which is not valid.
Ref: https://codereview.tryton.org/45851002/diff/1/modules/account_statement_rule/account.py#newcode93
Many modules use plural form for information which is not valid.
Ref: https://codereview.tryton.org/45851002/diff/1/modules/account_statement_rule/account.py#newcode93