Revert "Enable `-sha256` feature to some Soong built zip files"

This reverts commit fae06b15cea812ef9c146f76d664c7c34f94408d.

Reason for revert: Some labs are still not upgraded to the latest version, causing presubmit test flaky.

Bug: 268608699
Bug: 259513199
Change-Id: I05f0fef27afdbbd5350e77616074059b7bf1da42
diff --git a/core/tasks/host-unit-tests.mk b/core/tasks/host-unit-tests.mk
index 733a2e2..ed2f2a6 100644
--- a/core/tasks/host-unit-tests.mk
+++ b/core/tasks/host-unit-tests.mk
@@ -41,7 +41,7 @@
 	grep $(TARGET_OUT_TESTCASES) $@.list > $@-target.list || true
 	$(hide) $(SOONG_ZIP) -d -o $@ -P host -C $(HOST_OUT) -l $@-host.list \
 	  -P target -C $(PRODUCT_OUT) -l $@-target.list \
-	  -P host/testcases -C $(HOST_OUT) -l $@-host-libs.list -sha256
+	  -P host/testcases -C $(HOST_OUT) -l $@-host-libs.list
 	rm -f $@.list $@-host.list $@-target.list $@-host-libs.list
 
 host-unit-tests: $(host_unit_tests_zip)