Revert "add pytest-cpp package (#29828)"

This reverts commit 9e739aa27d8eb163de74320cfb2f3ea43ca2cb48.

old-commit-hash: 0d042624ae236fa9b58448a1eaeba841d4eff73e

poetry.lock

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:982d8b10e8bd4deb20c1567f3ee70c8c8b65bf2c3ddd250eb1149d0e960be560
-size 437544
+oid sha256:67782a76e85d8c34a5788be14f8c89dcab1db5dfacf2a1d7ba249655a1adffcb
+size 438592

pyproject.toml

@@ -1,7 +1,6 @@
 [tool.pytest.ini_options]
 minversion = "6.0"
 addopts = "--ignore=openpilot/ --ignore=cereal/ --ignore=opendbc/ --ignore=panda/ --ignore=rednose_repo/ --ignore=tinygrad_repo/ --ignore=laika_repo/ -Werror --strict-config --strict-markers"
-cpp_files = "TODO"
 python_files = "test_*.py"
 #timeout = "30"  # you get this long by default
 markers = [
@@ -143,7 +142,6 @@ pygame = "*"
 pyprof2calltree = "*"
 pytest = "*"
 pytest-cov = "*"
-pytest-cpp = "*"
 pytest-subtests = "*"
 pytest-xdist = "*"
 pytest-timeout = "*"