[gtk+/gtk-3-22] build: Remove unused rules

[Emmanuele Bassi <ebassi src gnome org>]

commit d237b255f9b0bfe7ee47d35e63b37619e30f1ce1
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Sun Apr 30 16:05:49 2017 +0100

    build: Remove unused rules
    
    The foreign drawing example was moved to the GTK demos.

 tests/Makefile.am |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)
---
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 52d93e0..f86c166 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -301,7 +301,6 @@ testrevealer2_DEPENDENCIES = $(TEST_DEPS)
 testtitlebar_DEPENDENCIES = $(TEST_DEPS)
 testwindowsize_DEPENDENCIES = $(TEST_DEPS)
 listmodel_DEPENDENCIES = $(TEST_DEPS)
-foreigndrawing_DEPENDENCIES = $(TEST_DEPS)
 
 animated_resizing_SOURCES =    \
        animated-resizing.c     \
@@ -540,8 +539,6 @@ testglblending_SOURCES =    \
 
 listmodel_SOURCES = listmodel.c
 
-foreigndrawing_SOURCES = foreigndrawing.c
-
 EXTRA_DIST +=                  \
        gradient1.png           \
        testgtk.1               \