build: Remove unnecessary deps specification in tox.ini

Author: seifertm

tox.ini

@@ -13,7 +13,6 @@ package = wheel
 wheel_build_env = .pkg
 extras = testing
 constraints = dependencies/default/constraints.txt
-deps = -r dependencies/default/requirements.txt
 commands = make test
 allowlist_externals =
     make
@@ -30,7 +29,6 @@ allowlist_externals =
 allowlist_externals =
     git
 extras = docs
-deps = -r dependencies/default/requirements-docs.txt
 change_dir = docs
 description = Build The Docs with {basepython}
 commands =