docs/reference/Doxyfile.in: Remove obsolete entry

kjellahl · kjellahl · commit 6f9483e111bb · 2022-02-11T15:32:40.000+01:00
diff --git a/docs/reference/Doxyfile.in b/docs/reference/Doxyfile.in
@@ -147,7 +147,6 @@ CLANG_OPTIONS          =
 # Configuration options related to the alphabetical class index
 #---------------------------------------------------------------------------
 ALPHABETICAL_INDEX     = YES
-COLS_IN_ALPHA_INDEX    = 1
 IGNORE_PREFIX          =
 #---------------------------------------------------------------------------
 # Configuration options related to the HTML output
