Remove obsolete --strict argument from bazel_to_cmake.
Remove obsolete --strict argument from bazel_to_cmake.

Depends on https://github.com/google/iree/pull/1549

Closes https://github.com/google/iree/pull/1552

COPYBARA_INTEGRATE_REVIEW=https://github.com/google/iree/pull/1552 from ScottTodd:bazel-to-cmake-cleanup bddcefd4a36426b1b27f1b79f2fd00a0a9df6b77
PiperOrigin-RevId: 306874925

google/iree,iree-org/iree,iree-org/iree,google/iree,google/iree,iree-org/iree,iree-org/iree,google/iree,google/iree,iree-org/iree,google/iree,iree-org/iree,iree-org/iree,google/iree