Updated Assignments overview (markdown)

Assignments-overview.md

@@ -64,13 +64,6 @@ submission:  # information about this particular submission
 		username: "654321"  # can be ignored in specific modules
 		password: "123456"  # can be ignored in specific modules
 tasks:
-	- task-id: "fetch_source"
-	  priority: 1
-	  fatal-failure: true
-	  source: "94549d889ae96210ff2a73bd0a5bbe3185f05ff6"
-	  destination: "recodex.cpp"
-	  cmd: "fetch"
-	  log: "fetch.log"  # voluntary option, can be omitted
 	- task-id: "fetch_input"
 	  priority: 2
 	  fatal-failure: true