Docs: Remove version selector from community and blog sections

[rahulshendre]

What this PR does:
Removes version selector from community and blog sections

Why we need it:

Which issue(s) this PR fixes:

Fixes #6547

Does this PR introduce a user-facing change?:

• How are users affected by this change:
• Is this breaking change:
• How to migrate (if breaking change):

[rahulshendre]

@khanhtc1202 @eeshaanSA, PTAL

[khanhtc1202]

Good catch 👍

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 28.74%. Comparing base (8ac9041) to head (044b1cd).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #6554      +/-   ##
==========================================
- Coverage   28.87%   28.74%   -0.13%     
==========================================
  Files         560      535      -25     
  Lines       59955    58007    -1948     
==========================================
- Hits        17313    16677     -636     
+ Misses      41321    40046    -1275     
+ Partials     1321     1284      -37     

Flag	Coverage Δ
.	23.29% <ø> (ø)
.-pkg-app-pipedv1-plugin-analysis	?
.-pkg-app-pipedv1-plugin-kubernetes	58.67% <ø> (ø)
.-pkg-app-pipedv1-plugin-kubernetes_multicluster	67.63% <ø> (ø)
.-pkg-app-pipedv1-plugin-scriptrun	54.83% <ø> (ø)
.-pkg-app-pipedv1-plugin-terraform	38.65% <ø> (ø)
.-pkg-app-pipedv1-plugin-wait	33.92% <ø> (ø)
.-pkg-app-pipedv1-plugin-waitapproval	52.71% <ø> (ø)
.-pkg-plugin-sdk	50.34% <ø> (ø)
.-tool-actions-gh-release	19.23% <ø> (ø)
.-tool-actions-plan-preview	25.51% <ø> (ø)
.-tool-codegen-protoc-gen-auth	0.00% <ø> (ø)

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