[update] remove references to space partition

[Rajakavitha1]

Description

_ removed the references to the space partition in examples
_ removed the references to the space partition in create_hypertable sections
_ retained the references only in distributed hyper table sections

Links

Fixes #2595

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Allow 10 minutes from last push for the staging site to build. If the link doesn't work, try using incognito mode instead. For internal reviewers, check web-documentation repo actions for staging build status. Link to build for this PR: http://docs-dev.timescale.com/docs-space-dimensions-rajie

[mfreed]

We should retain space partitions in sections on distributed hypertables. Removed otherwise.

[Rajakavitha1]

We should retain space partitions in sections on distributed hypertables. Removed otherwise.

Yes, only the link to the space partition in create hypertable was removed in the distributed hyper table file.

[charislam]

sentence fragment here