check: Don't use nodist headers on gir scanner

Just creates noise and bogus symbols
diff --git a/libs/gst/check/Makefile.am b/libs/gst/check/Makefile.am
index 1aca0f0..155bff8 100644
--- a/libs/gst/check/Makefile.am
+++ b/libs/gst/check/Makefile.am
@@ -127,8 +127,7 @@
 if HAVE_INTROSPECTION
 BUILT_GIRSOURCES = GstCheck-@GST_API_VERSION@.gir
 
-gir_headers=$(patsubst %,$(srcdir)/%, $(libgstcheck_@GST_API_VERSION@include_HEADERS)) \
-    $(patsubst %,$(builddir)/%, $(nodist_libgstcheck_@GST_API_VERSION@include_HEADERS))
+gir_headers=$(patsubst %,$(srcdir)/%, $(libgstcheck_@GST_API_VERSION@include_HEADERS))
 gir_sources=$(patsubst %,$(srcdir)/%, $(libgstcheck_@GST_API_VERSION@_la_SOURCES))
 
 GstCheck-@GST_API_VERSION@.gir: $(INTROSPECTION_SCANNER) libgstcheck-@GST_API_VERSION@.la