Remove old intervention analysis code
Remove old intervention analysis code

+ Refers to deprecated model
+ Was used as a one-off task but hasn't been implemented into a scheduled task or feature

jhilde/studentinsights,erose/studentinsights,studentinsights/studentinsights,erose/studentinsights,studentinsights/studentinsights,studentinsights/studentinsights,erose/studentinsights,erose/studentinsights,jhilde/studentinsights,jhilde/studentinsights,jhilde/studentinsights,studentinsights/studentinsights