deleteGradeLevel: Delete a GradeLevel
In samterfa/rqmlativ: Creates R Functions for Skyward Qmlativ's Generic API

This function deletes a GradeLevel

deleteGradeLevel(
  GradeLevelID,
  ignoreWarnings = F,
  entityId = 1,
  query = NULL,
  flatten = T,
  returnResponse = F
)

`GradeLevelID`	The ID of the GradeLevel to delete
`entityId`	The id of the entity (school). Run `listEntities` for a list of entities. Defaults to 1 (district).
`query`	Queries to be added to the request. Ex. list(SchoolYearID = 1). Defaults to NULL.
`flatten`	Whether to flatten result into a dataframe or return the json object. Default is TRUE (flatten to dataframe).
`returnResponse`	Whether to return the server response instead of the results. Useful for debugging. Default is FALSE.