Fixed wrong answer placeholders

Object-Oriented Programming/Class Delegation/Exercise 1/task-info.yaml

@@ -6,5 +6,14 @@ files:
   - offset: 101
     length: 27
     placeholder_text: // TODO
+  - offset: 274
+    length: 39
+    placeholder_text: // TODO
+  - offset: 526
+    length: 34
+    placeholder_text: // TODO
+  - offset: 912
+    length: 55
+    placeholder_text: // TODO
 - name: test/Tests.kt
   visible: false

Object-Oriented Programming/Composition/Exercise 2/task-info.yaml

@@ -21,13 +21,5 @@ files:
 
         fun poll(): E = removeAt(0)
       }
-  - offset: 752
-    length: 17
-    placeholder_text: stack[0] eq 1
-  - offset: 943
-    length: 45
-    placeholder_text: |-
-      queue.add(2, "???")
-        queue[2] eq "???"
 - name: test/Tests.kt
   visible: false