Remove unused styles

Author: njxue

frontend/src/presentation/pages/CollaborationRoomPage.module.css

@@ -1,6 +1,5 @@
 .container {
     height: 100%;
-    max-height: 100%;
     width: 100%;
     overflow-x: hidden;
     display: flex;
@@ -16,9 +15,8 @@
 .editorContainer {
     width: 100%;
     min-width: 0;
-    flex-grow: 1;
+    flex: 1;
     min-height: 0;
-    flex-shrink: 1;
 }
 
 .questionContainer {