* deleted student batch creation tool
* Patch for deleting the doctype and config
* Changes in the student attendance
* Patch for renaming the student batch as student group
* Changes in the student attendance
* Change in the student attendance reports
- Absent student report
- Student Batch-wise attendance
- Student monthly attendance sheet
* Changes in the patch
* Changes in the course schedule
* Changes in the course scheduling tool
* Change in the assessment plan
* Changes in the assessment result tool
* Cleanup
* Changes in the api.py
* create student group from student batch
* delete student batch
* add patch
* remove student batch from config/schools.py
* Delete the depricated doctype with patch
* Changes in patch
* Changes as per PR
Merged code for Student Attendance against Course Schedule and Student Batch
Student Attendance Tool now shows marked student attendance as well.
Fixed validation login in Student Attendance for duplicate Student Attendance Record validation"