Drop outdated JavaScript code no longer used

app/assets/javascripts/editor/evaluation.js

@@ -1,5 +1,4 @@
 CodeOceanEditorEvaluation = {
-    chunkBuffer: [{streamedResponse: true}],
     // A list of non-printable characters that are not allowed in the code output.
     // Taken from https://stackoverflow.com/a/69024306
     nonPrintableRegEx: /[\u0000-\u0008\u000B\u000C\u000F-\u001F\u007F-\u009F\u2000-\u200F\u2028-\u202F\u205F-\u206F\u3000\uFEFF]/g,

app/assets/javascripts/editor/submissions.js

@@ -184,15 +184,6 @@ CodeOceanEditorSubmissions = {
     this.initializeSocketForRunning(url);
   },
 
-  saveCode: function(event) {
-    event.preventDefault();
-    this.createSubmission('#save', null, function() {
-      $.flash.success({
-        text: $('#save').data('message-success')
-      });
-    });
-  },
-
   testCode: function(event) {
     const cause = $('#test');
     this.startSentryTransaction(cause);