Revert "postprocess: Workaround for Python timestamp mismatch"

See: https://pagure.io/workstation-ostree-config/pull-request/507
See: https://github.com/keszybz/add-determinism/pull/27
See: https://gitlab.com/fedora/bootc/tracker/-/issues/3

This reverts commit d085e9fecc.

common.yaml

@@ -141,5 +141,3 @@ postprocess:
     # Fix triggerin for samba-client in cups package (not supported by rpm-ostree yet)
     # https://github.com/fedora-silverblue/issue-tracker/issues/532
     ln -snf /usr/libexec/samba/cups_backend_smb /usr/lib/cups/backend/smb
-
-postprocess-script: "postprocess.sh"

postprocess.sh

@@ -1,44 +0,0 @@
-#!/usr/bin/env bash
-set -xeuo pipefail
-
-# Workaround for Python timestamp mismatch
-# See: https://github.com/ostreedev/ostree/issues/1469
-
-echo '
-import os
-import re
-
-MIN_MAGIC = 3390  # The first magic number supporting PEP 552
-ZERO = bytes((0, 0, 0, 0))
-
-def pyc_set_zero_mtime(pyc_path):
-    with open(pyc_path, "r+b") as f:
-        w = f.read(4)
-        if len(w) < 4:
-            return 0
-
-        magic = (w[0] + (w[1] << 8) + (w[2] << 16) + (w[3] << 24)) & 0xFFFF
-        if magic < MIN_MAGIC:
-            invalidation = ZERO
-        else:
-            invalidation = f.read(4)
-            if len(invalidation) < 4:
-                return 0
-
-        if invalidation == ZERO:
-            f.write(ZERO)
-            return 1
-    return 0
-
-if __name__ == "__main__":
-    REGEX = re.compile(r".*/__pycache__/[^/]+\.cpython-.*(\.opt-1|\.opt-2)?\.pyc$")
-    count = 0
-
-    for root, dirs, files in os.walk("/usr"):
-        for file in files:
-            path = os.path.join(root, file)
-            if REGEX.match(path):
-                count += pyc_set_zero_mtime(path)
-
-    print(f"Processed {count} pyc files")
-' | python