Remove valgrind-test-art% targets from PARSE_TIME_MAKE_GOALS.

These targets have been removed from ART Makefiles in 2018.

Test: n/a
Bug: 29282211
Bug: 77856586
Change-Id: I00ab00392d153242a67d0764e3ca2ba0528d79db
diff --git a/core/ninja_config.mk b/core/ninja_config.mk
index 684ab9f..e9e89c3 100644
--- a/core/ninja_config.mk
+++ b/core/ninja_config.mk
@@ -50,7 +50,6 @@
 	user \
 	userdataimage \
 	userdebug \
-	valgrind-test-art% \
 	vts \
 	win_sdk \
 	winsdk-tools