update: example directory cleanup

[michaab]

Issue #, if available:

Description of changes:

1. Rename folders to expand acronyms and clarify terms
2. Use local simulator instead of sv1 to reduce cost in several notebooks
3. Change managed simulator language to on-demand
4. Fix broken links
5. Remove unneeded pip freeze command

Testing:

• Ran and validated notebooks with functional changes.
• Validated previously broken links work properly.
• Validated text only changes by opening notebooks.

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[virajvchaudhari]

Did we also decide on renaming the qchem folder to Hydrogen Geometry?

[virajvchaudhari]

Can we also validate whether this affect the docs in SDK too; unfortunately, everything there is hardcoded. And also in the developer docs

[ajberdy]

Can we also validate whether this affect the docs in SDK too; unfortunately, everything there is hardcoded. And also in the developer docs

Adding - it is probably worth checking that this doesn't break old console announcements / redirecting those as required

[michaab]

Can we also validate whether this affect the docs in SDK too; unfortunately, everything there is hardcoded. And also in the developer docs

I've verified no links need to be updated in the developer docs. The SDK will have a couple links that I'll update in a separate PR, right after this PR

[michaab]

Can we also validate whether this affect the docs in SDK too; unfortunately, everything there is hardcoded. And also in the developer docs

Adding - it is probably worth checking that this doesn't break old console announcements / redirecting those as required

Good callout to check this! I validated the old console announcements are not impacted by these changes either.