Remove old lessons no longer maintaining images for

Jenkinsfile

@@ -19,23 +19,6 @@ EXERCISE_FOLDERS = [
     "101.1.1":    "ex101/ex101.1.1",
     "201.end":    "ex201/ex201.end",
     "401.end":    "ex401/ex401.end",
-    //"201.1.1":    "ex201/ex201.1.1",
-    //"201.1.end":  "ex201/ex201.1.end",
-    //"201.2.1":    "ex201/ex201.2.1",
-    //"201.2.end":  "ex201/ex201.2.end",
-    //"201.3.1":    "ex201/ex201.3.1",
-    //"201.3.end":  "ex201/ex201.3.end",
-    //"201.4.1":    "ex201/ex201.4.1",
-    //"201.4.end":  "ex201/ex201.4.end",
-    //"201.5.1":    "ex201/ex201.5.1",
-    //"201.5.end":  "ex201/ex201.5.end",
-    //"211.1.1":    "ex211/ex211.1.1",
-    //"301.4.1":    "ex301/ex301.4.1",
-    //"401.1.1":    "ex401/ex401.1.1",
-    //"401.1.end":  "ex401/ex401.1.end",
-    //"401.3.1":    "ex401/ex401.3.1",
-    //"401.3.end":  "ex401/ex401.3.end",
-    //"full_demo":  "full-demo,",
 ]
 
 pipeline {

TODO.md

@@ -5,15 +5,14 @@ TODO
 202202
 -------
 
-- (NO IT REQUIRES JAVA 11+) Upgrade Shibboleth IDP to latest 4.1.4 (low priority). But the configs have been modified to reduces 
-- Remove folders for unused images; in Sept. 2021 we were fine with 101.1, 201.end and 401.end
+- (NO IT REQUIRES JAVA 11+) Upgrade Shibboleth IDP to latest 4.1.4 (low priority). But the configs have been modified to reduce warnings
 - How to get rid of the LDAP warnings that come up the first time the page comes up?
 - The All Faculty/Staff group is missing the ref type
 - Fix this error
 
         Loading class `com.mysql.jdbc.Driver'. This is deprecated. The new driver class is `com.mysql.cj.jdbc.Driver'. The driver is automatically registered via the SPI and manual loading of the driver class is generally unnecessary.
-- maturity0 container: "Your source IP address (192.168.16.1) is not allowed to access the Configuration UI (in grouper-ui configuration)"
 - Main wiki page doesn't have a link to container configure, install, etc.
+- Add a gsh report to 401.2
 
 Slide updates:
 201.1.1