[babl] Revert "build: add --enable-installed-tests parameter"

[Øyvind Kolås <ok src gnome org>]

commit f68079de6dc14b368c34d7a1fee33a4d24e6dbe5
Author: Øyvind Kolås <pippin gimp org>
Date:   Fri May 29 05:05:32 2015 +0200

    Revert "build: add --enable-installed-tests parameter"
    
    This reverts commit 1457ff4d59f1e2fccdf7e09e5725a698afbc5d22.

 configure.ac      |    1 -
 glib-tap.mk       |  135 -----------------------------------------------------
 m4/glibtests.m4   |   28 -----------
 tests/Makefile.am |    5 +--
 4 files changed, 1 insertions(+), 168 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 18d91b6..5e60760 100644
--- a/configure.ac
+++ b/configure.ac
@@ -452,7 +452,6 @@ AC_DEFINE_UNQUOTED(BABL_DIR_SEPARATOR, "$DIR_SEP", [separator between directorie
 
 AC_DEFINE_UNQUOTED(BABL_LIBRARY, "$PACKAGE_NAME-$BABL_API_VERSION", [name of BABL library])
 
-GLIB_TESTS
 
 
 dnl ===========================================================================
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 954eb7f..6e282af 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -1,5 +1,3 @@
-include $(top_srcdir)/glib-tap.mk
-
 if OS_UNIX
 CONCURRENCY_STRESS_TEST = concurrency-stress-test 
 endif
@@ -18,6 +16,7 @@ C_TESTS =                             \
        hsva   \
        types                   \
        palette \
+       extract \
        nop \
        n_components            \
        n_components_cast \
@@ -28,8 +27,6 @@ C_TESTS =                             \
 TESTS = \
        $(C_TESTS)
 
-test_programs = $(TESTS)
-
 TESTS_ENVIRONMENT = LD_LIBRARY_PATH=$(top_builddir)/babl:$LD_LIBRARY_PATH 
GI_TYPELIB_PATH=$(top_builddir)/babl BABL_PATH=$(top_builddir)/extensions/.libs
 
 AM_CPPFLAGS = -I$(top_srcdir) -I$(top_srcdir)/babl