Removing duplicate files

[ksbeattie]

Remove duplicate files

Addresses #83 which points out that we have duplicate logo.png files in the repo, bloating the released package.

I found a tool (fdupes) that will find duplicate files (via size and MD5 checksum) under a dir. So I ran it and found a few more than mention in the above PR. Specifically:

$ fdupes -r .
./idaes_examples/notebooks/docs/surrogates/pysmo_rbf_surrogate.json
./idaes_examples/notebooks/docs/surrogates/pysmo/pysmo_rbf_surrogate.json

./idaes_examples/notebooks/docs/surrogates/AR_PFD.png
./idaes_examples/notebooks/docs/surrogates/pysmo/AR_PFD.png

./idaes_examples/notebooks/_dev/notebooks/logo.png
./idaes_examples/notebooks/docs/tut/ui/idaes-logo.png
./idaes_examples/notebooks/logo.png

./idaes_examples/notebooks/references.bib
./idaes_examples/notebooks/_dev/notebooks/references.bib

./idaes_examples/archive/ripe/sv.alm
./idaes_examples/archive/ripe/temp.alm

./idaes_examples/archive/dmf/data_management_framework.ipynb
./idaes_examples/archive/dmf/my_workspace/files/928385c3acda4a449412c5bfbbaa83b5/data_management_framework.ipynb

./idaes_examples/archive/power_gen/supercritical/supercritical_steam_cycle.svg
./idaes_examples/notebooks/docs/power_gen/supercritical/supercritical_steam_cycle.svg

./idaes_examples/archive/data_reconciliation/Boiler_scpc_PFD.svg
./idaes_examples/archive/power_gen/supercritical/Boiler_scpc_PFD.svg
./idaes_examples/notebooks/docs/power_gen/supercritical/Boiler_scpc_PFD.svg

Several other files were also found, like empty __init__.py files and notebooks, but I'd removed those from the above list, leaving ones that looked like they could be cleaned up.

This is my attempt at cleaning them up, first by simply removing 2 of the logo.png dupes and seeing what the CI says about that.

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📚 Documentation preview 📚: https://idaes-examples--99.org.readthedocs.build/en/99/

[lbianchi-lbl]

• In general I think this is a very good idea, and we should check for duplicate files either regularly (as part of the CI) or periodically
• We should wait until the CI is fully functional again and make sure we're able to detect missing/broken links before merging