Fix Tab completion in JLab 4

Author: philipc-mw

README.md

@@ -14,7 +14,7 @@ Once installed, you can:
 This package supports both Jupyter Notebook and JupyterLab. Some capabilities are limited to the JupyterLab interface.
 
 **Note on JupyterLab 4:**
-Features such as tab completion and syntax highlighting are available in JupyterLab 3, but not yet supported in JupyterLab 4.
+Features such as auto-indentation and syntax highlighting are available in JupyterLab 3, but not yet supported in JupyterLab 4.
 
 This package is under active development. To report any issues or suggestions, see the [Feedback](#feedback) section.
 

src/jupyter_matlab_kernel/matlab/+jupyter/complete.m

@@ -39,11 +39,6 @@
     end
 end
 
-% The results might have duplicate entries. We are de-duplicating only 'matches'
-% cell array but not 'completions' because it is JupyterLab specific and not part
-% of the official Jupyter tab completion API.
-result.matches = unique(result.matches);
-
 if ~isempty(result.completions)
     result.start = result.completions{1}.start;
     result.end = result.completions{1}.end;