Update allg.ist.json

Author: lutz

data/allg.ist.json

@@ -14,10 +14,6 @@
 				"name": "jExam",
 				"url": "https://jexam.inf.tu-dresden.de/de.jexam.web.v4.5/spring/welcome"
 			},
-			{
-				"name": "IST Cloud",
-				"url": "https://drive.google.com/drive/folders/1ICEsBTEszAdSNtyRZ-jhnvioOoNxLkXf?usp=sharing"
-			},
 			{
 				"name": "GitLab (TU Chemnitz)",
 				"url": "https://gitlab.hrz.tu-chemnitz.de/users/sign_in"