Drop redundant NI option.

(cherry picked from commit da6b3be)

Author: fniephaus

mx.graalpython/mx_graalpython.py

@@ -2247,7 +2247,6 @@ def verify_ci(dest_suite, common_ci_dir="ci_common", args=None, ext=('.jsonnet',
             jar_distributions=['graalpython:GRAALPYTHON-LAUNCHER'],
             main_class=GRAALPYTHON_MAIN_CLASS,
             build_args=[
-                '-H:+TruffleCheckBlackListedMethods',
                 '-H:+DetectUserDirectoriesInImageHeap',
                 '-H:-CopyLanguageResources',
                 '-Dpolyglot.python.PosixModuleBackend=native',