Update git submodules

Update git submodules

* Update docs/submodules/oom.git from branch 'master'
  to fc4c8ef93a9ea87ee386454965712d0ebcaf2c63
  - Merge "Remove catalog component from VFC"
  - Remove catalog component from VFC

    Because Modeling project has created etsicatalog repo to intent to provide common ETSI catalog service,
    VF-C catalog migrates to modeling can help reduce duplication of work and promote unified architecture.

    This has reported in Architecture meeting 2019-10-15,and also been confirmed during VF-C Frankfurt Architecture Review.

    So the corresponding catalog chart need also be removed

    Change-Id: I63172ee17d8ffcdb59ac730c05d85b9a63e4d7a0
    Issue-ID: VFC-1649
    Signed-off-by: yangyan <yangyanyj@chinamobile.com>