deletePullRequestApprovalRule
abstract suspend fun deletePullRequestApprovalRule(input: DeletePullRequestApprovalRuleRequest): DeletePullRequestApprovalRuleResponse
Deletes an approval rule from a specified pull request. Approval rules can be deleted from a pull request only if the pull request is open, and if the approval rule was created specifically for a pull request and not generated from an approval rule template associated with the repository where the pull request was created. You cannot delete an approval rule from a merged or closed pull request.