Merge pull request matplotlib#26476 from anntzer/psa

Remove auto from supported ps.papersizes in matplotlibrc.

Author: QuLogic

…xt_api_changes/deprecations/25784-ES.rst …xt_api_changes/deprecations/25785-ES.rstdoc/api/next_api_changes/deprecations/25784-ES.rst renamed to doc/api/next_api_changes/deprecations/25785-ES.rst doc/api/next_api_changes/deprecations/25784-ES.rst renamed to doc/api/next_api_changes/deprecations/25785-ES.rst

@@ -709,8 +709,8 @@
 #tk.window_focus:   False  # Maintain shell focus for TkAgg
 
 ### ps backend params
-#ps.papersize:      letter  # {auto, letter, legal, ledger, A0-A10, B0-B10}
-#ps.useafm:         False   # use of AFM fonts, results in small files
+#ps.papersize:      letter  # {letter, legal, ledger, A0-A10, B0-B10}
+#ps.useafm:         False   # use AFM fonts, results in small files
 #ps.usedistiller:   False   # {ghostscript, xpdf, None}
                             # Experimental: may produce smaller files.
                             # xpdf intended for production of publication quality files,