[libxslt] Remove api.xsl

[Nick Wellnhofer <nwellnhof src gnome org>]

commit ddb99f7a0ce2b9f150829d46ddc19d551c169d2c
Author: Nick Wellnhofer <wellnhofer aevum de>
Date:   Thu Mar 31 02:56:33 2022 +0200

    Remove api.xsl
    
    Another file for the old website.

 doc/Makefile.am |   1 -
 doc/api.xsl     | 201 --------------------------------------------------------
 2 files changed, 202 deletions(-)
---
diff --git a/doc/Makefile.am b/doc/Makefile.am
index 92e6dd5e..d4ef7d7a 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -8,7 +8,6 @@ WIN32_DIR=$(top_srcdir)/win32
 EXTRA_DIST =                           \
        EXSLT/libexslt-api.xml          \
        EXSLT/libexslt-refs.xml         \
-       api.xsl                         \
        apibuild.py                     \
        checkapisym.xsl                 \
        libxslt-api.xml                 \