Revert "kdf:pkdf2: Require longer input when FIPS mode."
* cipher/kdf.c (_gcry_kdf_pkdf2): Remove the length limitation of passphrase input length.
This reverts commit 857e6f467d0fc9fd858a73d84122695425970075.
- Signed-off-by: Jakub Jelen <jjelen@redhat.com>