Remove the big doc limit feature

tests/test_gui/test_gui_doceditor.py

@@ -104,7 +104,6 @@ def testGuiEditor_LoadText(qtbot, monkeypatch, caplog, nwGUI, projPath, ipsumTex
 
     # Regular open
     assert nwGUI.docEditor.loadText(C.hSceneDoc) is True
-    assert nwGUI.docEditor._bigDoc is False
 
     # Reload too big text
     with monkeypatch.context() as mp:
@@ -112,11 +111,6 @@ def testGuiEditor_LoadText(qtbot, monkeypatch, caplog, nwGUI, projPath, ipsumTex
         assert nwGUI.docEditor.replaceText(longText) is False
         assert "The document you are trying to open is too big." in caplog.text
 
-    # Big doc handling
-    CONFIG.bigDocLimit = 50
-    assert nwGUI.docEditor.loadText(C.hSceneDoc) is True
-    assert nwGUI.docEditor._bigDoc is True
-
     # Regular open, with line number (1 indexed)
     assert nwGUI.docEditor.loadText(C.hSceneDoc, tLine=4) is True
     cursPos = nwGUI.docEditor.getCursorPosition()