Revert "Fix #20850"

FranzForstmayr · FranzForstmayr · commit aa755901444d · 2021-09-27T20:43:36.000+02:00
This reverts commit 0bff071.
diff --git a/examples/userdemo/pgf_fonts.py b/examples/userdemo/pgf_fonts.py
@@ -7,9 +7,9 @@
 
 import matplotlib.pyplot as plt
 plt.rcParams.update({
-    # Use LaTeX default serif font-family.
-    # https://matplotlib.org/stable/tutorials/text/usetex.html#sphx-glr-tutorials-text-usetex-py
     "font.family": "serif",
+    # Use LaTeX default serif font.
+    "font.serif": [],
     # Use specific cursive fonts.
     "font.cursive": ["Comic Neue", "Comic Sans MS"],
 })
