contrib: remove outdated entries from copyright_header.py

Author: fanquake

contrib/devtools/copyright_header.py

@@ -22,7 +22,6 @@
     'src/test/fuzz/FuzzedDataProvider.h',
     'src/tinyformat.h',
     'src/bench/nanobench.h',
-    'test/functional/test_framework/bignum.py',
     # python init:
     '*__init__.py',
 ]
@@ -94,7 +93,6 @@ def compile_copyright_regex(copyright_style, year_style, name):
     r"Satoshi Nakamoto",
     r"The Bitcoin Core developers",
     r"BitPay Inc\.",
-    r"University of Illinois at Urbana-Champaign\.",
     r"Pieter Wuille",
     r"Wladimir J\. van der Laan",
     r"Jeff Garzik",