clean duplicate entry in config (#130)

mmcky · web-flow · commit 5b5e913637a6 · 2021-04-16T13:32:38.000+10:00
diff --git a/lectures/_config.yml b/lectures/_config.yml
@@ -10,9 +10,6 @@ execute:
 bibtex_bibfiles:
    - _static/quant-econ.bib
 
-bibtex_bibfiles:
-   - _static/quant-econ.bib
-
 html:
   baseurl: https://python.quantecon.org/
 
