[glom] Build: Remove mentions of removed test_sharedptr_layoutitem

[Murray Cumming <murrayc src gnome org>]

commit 5cd063d3051a804f7cfcc37b197d695085898073
Author: Murray Cumming <murrayc murrayc com>
Date:   Mon Oct 28 14:01:21 2019 +0100

    Build: Remove mentions of removed test_sharedptr_layoutitem

 Makefile_tests.am       | 4 ----
 glom/libglom/.gitignore | 1 -
 2 files changed, 5 deletions(-)
---
diff --git a/Makefile_tests.am b/Makefile_tests.am
index be560d0c..e48d019a 100644
--- a/Makefile_tests.am
+++ b/Makefile_tests.am
@@ -148,10 +148,6 @@ glom_libglom_example_document_load_SOURCES = glom/libglom/example_document_load.
 glom_libglom_example_document_load_LDADD = $(tests_ldadd)
 glom_libglom_example_document_load_CPPFLAGS = $(tests_cppflags)
 
-glom_libglom_test_sharedptr_layoutitem_SOURCES = glom/libglom/test_sharedptr_layoutitem.cc
-glom_libglom_test_sharedptr_layoutitem_LDADD = $(tests_ldadd)
-glom_libglom_test_sharedptr_layoutitem_CPPFLAGS = $(tests_cppflags)
-
 tests_test_document_load_SOURCES = tests/test_document_load.cc $(sources_test_utils)
 tests_test_document_load_LDADD = $(tests_ldadd)
 tests_test_document_load_CPPFLAGS = $(tests_cppflags) $(glom_test_image_defines)
diff --git a/glom/libglom/.gitignore b/glom/libglom/.gitignore
index f9446abf..c6a61671 100644
--- a/glom/libglom/.gitignore
+++ b/glom/libglom/.gitignore
@@ -1,6 +1,5 @@
 /test_connectionpool
 /test_document
-/test_sharedptr_layoutitem
 /stamp-h2
 /libglom_config.h
 /glom-*.pc