[4.1] 3d85f73 Try to hotfix documentation builds on varnish-cache.org

[PÃ¥l Hermunn Johansen]

commit 3d85f7301cab6bbc3c8e2a43d0042462bde430ca
Author: Pål Hermunn Johansen <hermunn at varnish-software.com>
Date:   Thu Apr 19 22:34:18 2018 +0200

    Try to hotfix documentation builds on varnish-cache.org
    
    What can possibly go wrong?

diff --git a/doc/sphinx/Makefile.am b/doc/sphinx/Makefile.am
index 41c02a3..4fa2ecf 100644
--- a/doc/sphinx/Makefile.am
+++ b/doc/sphinx/Makefile.am
@@ -7,7 +7,7 @@ SPHINXBUILD   = sphinx-build -W -q -N
 PAPER         = a4
 BUILDDIR      = build
 
-ALLSPHINXOPTS   = -d $(BUILDDIR)/doctrees -D latex_paper_size=$(PAPER) $(SPHINXOPTS) $(builddir)
+ALLSPHINXOPTS   = -d $(BUILDDIR)/doctrees $(SPHINXOPTS) $(builddir)
 
 .PHONY: help clean html dirhtml pickle json htmlhelp qthelp latex changes linkcheck doctest