Rename schools to Education (#11524)

* renaming for the docs, demo data and patch

* changes in the doctypes and reports

* rename the config file

* Few name changes in messages and license

* rename the school settings to education settings

* changes in the documentation

* added the setup file for the fixtures

* corrected the ui tests file path

* fix the codacy

* add the patch for renaming few doctypes and fields

* changes in the patch

erpnext/setup/setup_wizard/tasks/education_masters.md

@@ -6,4 +6,4 @@ Lets start making things in ERPNext that are representative of your institution.
 1. Start adding **Students**
 1. Group your students into **Batches**
 
-Watch this video to learn more about ERPNext Schools: https://www.youtube.com/watch?v=f6foQOyGzdA
+Watch this video to learn more about ERPNext Education: https://www.youtube.com/watch?v=f6foQOyGzdA

erpnext/setup/setup_wizard/tasks/school_import_data.md

@@ -1,5 +1,5 @@
 Lets import some data! 💪💪
 
-If you are already running a school, you most likely have your Students in some spreadsheet file somewhere. Import it into ERPNext with the Data Import Tool.
+If you are already running a Institute, you most likely have your Students in some spreadsheet file somewhere. Import it into ERPNext with the Data Import Tool.
 
 Watch this video to get started: https://www.youtube.com/watch?v=Ta2Xx3QoK3E