apidoc: Remove unnecessary srcdir != builddir workaround

It seems to be fine with `gtk-doc-1.19-3.el7.noarch`, so let's drop
this workaround, as it causes `make` warnings.

diff --git a/apidoc/Makefile.am b/apidoc/Makefile.am
index 59cd8096df5d4303de07f6f688de6761c10f0e11..dcb009efb3fe4a2c0fa9cd87b43a13ae1fb6cb34 100644 (file)
--- a/apidoc/Makefile.am
+++ b/apidoc/Makefile.am
@@ -111,10 +111,6 @@ expand_content_files= \
 # e.g. GTKDOC_LIBS=$(top_builddir)/gtk/$(gtktargetlib)
 GTKDOC_LIBS=
 
-# Hacks around gtk-doc brokenness for out of tree builds
-ostree-sections.txt: $(srcdir)/ostree-sections.txt
-       cp $< $@
-
 version.xml:
        echo -n $(VERSION) > "$@"