Cleanup publish plugins

[MustafaJafar]

Is there an existing issue for this?

• I have searched the existing issues and added correct labels.

Please describe the feature you have in mind and explain what the current shortcomings are?

While making this PR #193

I found out that some plugins are redundant

• ValidateAnimationSettings and ValidateFrameToken are exact duplicates.

Some other plugins overlap:

• group 1: Same output node check
  • ValidateAlembicInputNode
  • ValidateAbcPrimitiveToDetail
  • ValidatePrimitiveHierarchyPaths
• group 2: Same most of path attribute checks
  • ValidateAbcPrimitiveToDetail
  • ValidatePrimitiveHierarchyPaths
• group 3: same current file check
  • SaveCurrentScene
  • IncrementCurrentFile

get_invalid should return None or a list of invalid nodes.
even if the SelectInvalidAction is not added to the validator, I'd stick to always return None or a list of invalid nodes for consistnecy.

• a lot of plugins return node.path() which is wrong.
• a lot of plugins return instance which is wrong.

Suggested implementation?

.

Describe alternatives you've considered:

.