Clean up hoststubgen  README files

Bug: 311174191
Test: N/A
Change-Id: Ief5c80d6a03c58830329c81a8c0350ff1955583e
diff --git a/tools/hoststubgen/scripts/run-all-tests.sh b/tools/hoststubgen/scripts/run-all-tests.sh
index 82faa91..4ea501e 100755
--- a/tools/hoststubgen/scripts/run-all-tests.sh
+++ b/tools/hoststubgen/scripts/run-all-tests.sh
@@ -53,4 +53,4 @@
 # These tests should all pass.
 run atest ${READY_TEST_MODULES[*]}
 
-echo ""${0##*/}" finished, with no unexpected failures. Ready to submit!"
\ No newline at end of file
+echo ""${0##*/}" finished, with no failures. Ready to submit!"
\ No newline at end of file