fix half-deleted comments in tests

they were half-deleted in If341a27756d608a0fa77ba6518e9bcc725f7632c.

Bug: None
Test: mma
Change-Id: I4e0c8208a7f2a55d273f4c87adca1d755dc98b77
diff --git a/tests/fortify_test.cpp b/tests/fortify_test.cpp
index 67103e1..2e0f822 100644
--- a/tests/fortify_test.cpp
+++ b/tests/fortify_test.cpp
@@ -219,7 +219,6 @@
 #endif // __BIONIC__
 }
 
-// this buffer overflow. TODO: Fix clang.
 TEST_F(DEATHTEST, strlcpy_fortified2) {
 #if defined(__BIONIC__)
   foo myfoo;
@@ -231,7 +230,6 @@
 #endif // __BIONIC__
 }
 
-// this buffer overflow. TODO: Fix clang.
 TEST_F(DEATHTEST, strlcat_fortified2) {
 #if defined(__BIONIC__)
   foo myfoo;