rm regex from pipfile

Author: harminius

server/Pipfile

@@ -41,7 +41,6 @@ importlib-metadata = "==8.4.0"  # https://github.com/pallets/flask/issues/4502
 typing_extensions = "==4.12.2"
 python-magic = "==0.4.27"
 click = "==8.2.0"
-regex = "==2025.11.3"
 # requirements for development on windows
 colorama = "==0.4.5"