Stop disabling building of partly_invalid.nexe in a corner case

tests/stubout_mode/nacl.scons

Index: tests/stubout_mode/nacl.scons
diff --git a/tests/stubout_mode/nacl.scons b/tests/stubout_mode/nacl.scons
index 33d3df136dace3f378aa5ed3d563483084ba74fc..dc94213b40c933bdb7415bcbc352b8b04a71cfaa 100644
--- a/tests/stubout_mode/nacl.scons
+++ b/tests/stubout_mode/nacl.scons
@@ -24,17 +24,6 @@ if env.Bit('bitcode') and env.Bit('nacl_pic'):
 if env.Bit('build_arm'):
   Return()
 
-# Curiously, on the nacl-win64_glibc_opt trybot, small_tests_irt is
-# producing a version of partly_invalid.nexe that contains an empty
-# ".iplt" section, and ncval_stubout currently fails on empty sections
-# (see http://code.google.com/p/nativeclient/issues/detail?id=2795).
-# I cannot reproduce this locally.  It might be a result of
-# non-determinism in the order in which Scons targets are built.
-# TODO(mseaborn): Fix ncval_stubout and investigate why we get an
-# empty ".iplt" section.
-if env.Bit('tests_use_irt') and env.Bit('nacl_glibc'):
-  Return()
-
 # R-DFA does not support stubout mode
 if env.Bit('validator_ragel'):
   Return()