builder: Don't use configure to generate test-index file.

The file contained no replacement patterns so generating it
with configure did nothing.

.gitignore

@@ -65,7 +65,6 @@ Makefile.in
 /builder/stamp-virt-builder.pod
 /builder/stamp-virt-index-validate.pod
 /builder/test-config/virt-builder/repos.d/test-index.conf
-/builder/test-index
 /builder/test-website/virt-builder/repos.d/libguestfs.conf
 /builder/virt-builder
 /builder/virt-builder.1

builder/Makefile.am

@@ -29,6 +29,7 @@ AM_CFLAGS = \
 EXTRA_DIST = \
 	$(SOURCES) \
 	libguestfs.gpg \
+	test-index \
 	virt-builder.pod \
 	virt-index-validate.pod \
 	test-virt-builder.sh \

configure.ac

@@ -1614,7 +1614,6 @@ AC_CONFIG_FILES([Makefile
                  builder/Makefile
                  builder/libguestfs.conf
                  builder/test-config/virt-builder/repos.d/test-index.conf
-                 builder/test-index
                  builder/test-website/virt-builder/repos.d/libguestfs.conf
                  builder/website/Makefile
                  cat/Makefile