[25.1] Remove invocation view connection animations

[ahmedhamidawan]

This reverts the changes from commit d34c509.

The animations were causing jittering as reported in #21136, and the graph view would stutter and glitch when moving around as shown here:

I think we should work more on this in dev and create better, more performant animations?

How to test the changes?

(Select all options that apply)

• I've included appropriate automated tests.
• This is a refactoring of components with existing test coverage.
• Instructions for manual testing are as follows:
  1. [add testing steps and prerequisites here if you didn't write automated tests covering all your changes]

License

• I agree to license these and all my past contributions to the core galaxy codebase under the MIT license.