SOL005 NSD Management - Implementation of deltas between v2.6.1 and v2.4.1

This merge request refers to the implementation of deltas between v2.6.1 and v2.4.1 of SOL005 NSD Management Interface.

@lynchpi @aelken @matsuurat @kraja @zulfiqar @uihassan

added MR ready to review label

A lot of TDs contain references to clauses 4.3 or 4.5 on the common procedures in SOL005ed241 which have been moved to SOL013 now. Therefore all references to clause 4.x need at least to be removed if they can not be replaced by references to SOL013 instead.

added MR has open issues label and removed MR ready to review label

Removed 4.X reference from NSDescriptors.robot and PNFDescriptors.robot and code is updated on forge. @bernini add commit to MR

added 1 commit

• b93eb69f - fixed issues

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OK, wrong references removed.

added MR ready to review label and removed MR has open issues label

added MR ready to be merged label and removed MR ready to review label

added 57 commits

• b93eb69f...ee77b1c7 - 56 commits from branch 2.6.1-dev
• 642756cd - Merge branch '2.6.1-dev' into '2.6.1-dev-SOL005-NSDManagement-API'

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mentioned in commit 5f8c58ab

merged