Makefile: Drop CROSVM_HELLOWORLD-pvmfw dependency

Remove the Make dependency and stop passing the pvmfw binary to
run_test.sh during the CROSVM_HELLOWORLD_TESTS as those do not use
--protected-vm mode and therefore do not need nor use the pvmfw.

Bug: 195395681
Test: make test-crosvm-helloworld
Change-Id: Id5ed74c12864d69ad623397360f1e7c6a7f85dd7
diff --git a/Makefile b/Makefile
index 088e1e0..f35f896 100644
--- a/Makefile
+++ b/Makefile
@@ -441,11 +441,8 @@
 test-list-crosvm-helloworld: LISTED_TESTS = $(CROSVM_HELLOWORLD_TESTS)
 
 TESTS += $(CROSVM_HELLOWORLD_TESTS)
-$(CROSVM_HELLOWORLD_TESTS): $(UBOOT_BIN)
 $(CROSVM_HELLOWORLD_TESTS): RUN_TEST_LOG_DIR = $(DIST_DIR)/logs/crosvm/helloworld
 $(CROSVM_HELLOWORLD_TESTS): RUN_TEST_HOST_SH = $(SCRIPTS_DIR)/crosvm/helloworld/host.sh
-$(CROSVM_HELLOWORLD_TESTS): RUN_TEST_ARGS += \
-		-F $(UBOOT_BIN)
 $(CROSVM_HELLOWORLD_TESTS): RUN_TEST_QEMU_ARGS = \
 		-s 4 \
 		-R $(SCRIPTS_DIR)/crosvm/helloworld/guest.sh \