Remove tutorials/example-catalog

[jsignell]

Description:

While running the examples with the new repr, I noticed that this tutorial notebook was broken because it depended on the tutorials/example-catalog which was on a very old version of stac. In the long term it would be good to make the tutorials tell a more cohesive and compelling story, but in the short term I think it makes sense to rework this notebook to depend on the example-catalog contained in the docs dir itself.

PR Checklist:

• pre-commit hooks pass locally
• Tests pass (run scripts/test)
• Documentation has been updated to reflect changes, if applicable
• This PR maintains or improves overall codebase code coverage.
• Changes are added to the CHANGELOG. See the docs for information about adding to the changelog.

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (e6d5d75) 91.17% compared to head (3e4edf7) 91.17%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1145   +/-   ##
=======================================
  Coverage   91.17%   91.17%           
=======================================
  Files          49       49           
  Lines        6626     6626           
  Branches      978      978           
=======================================
  Hits         6041     6041           
  Misses        410      410           
  Partials      175      175           

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[jsignell]

I don't think this one needs a changelog