Removing samples from test case list.

If people want to build it, they can with;
make CtsSampleDeviceTestCases CtsSampleDeviceApp CtsSampleHostTestCases

Change-Id: I72527fb872538aec3679ed4b2fb3ea3560978f5f
diff --git a/CtsTestCaseList.mk b/CtsTestCaseList.mk
index bc29b27..5fe6c5e 100644
--- a/CtsTestCaseList.mk
+++ b/CtsTestCaseList.mk
@@ -39,7 +39,6 @@
     CtsDeviceAdmin \
     CtsMonkeyApp \
     CtsMonkeyApp2 \
-    CtsSampleDeviceApp \
     CtsSomeAccessibilityServices \
     CtsTestStubs \
     SignatureTest \
@@ -108,7 +107,6 @@
     CtsRenderscriptTestCases \
     CtsRenderscriptGraphicsTestCases \
     CtsRsCppTestCases \
-    CtsSampleDeviceTestCases \
     CtsSaxTestCases \
     CtsSecurityTestCases \
     CtsSpeechTestCases \
@@ -133,7 +131,6 @@
     CtsAdbTests \
     CtsAppSecurityTests \
     CtsMonkeyTestCases \
-    CtsSampleHostTestCases \
     CtsUsbTests
 
 # Native test executables that need to have associated test XMLs.