Stats: remove avg "view more" link

[nbradbury]

Partially resolves #21451

As noted in the issue, tapping this link in stats does nothing because this line of code explicitly states to do nothing.

It turns out this was simply due to fixing a warning about a non-exhaustive when clause.

We don't have a screen for average daily views and creating one doesn't seem like a priority, so this PR simply removes the "View more" link. I've filed #21458 as a reminder that we should add that screen at some point to match iOS.

[dangermattic]

	1 Warning
⚠️	PR is not assigned to a milestone.

Generated by 🚫 Danger

[wpmobilebot]

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	App Name	Jetpack
	Flavor	Jalapeno
	Build Type	Debug
	Version	pr21457-ba6d8d6
	Commit	ba6d8d6
	Direct Download	jetpack-prototype-build-pr21457-ba6d8d6.apk

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[wpmobilebot]

📲 You can test the changes from this Pull Request in WordPress by scanning the QR code below to install the corresponding build.

	App Name	WordPress
	Flavor	Jalapeno
	Build Type	Debug
	Version	pr21457-ba6d8d6
	Commit	ba6d8d6
	Direct Download	wordpress-prototype-build-pr21457-ba6d8d6.apk

Note: Google Login is not supported on these builds.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

Attention: Patch coverage is 66.66667% with 1 line in your changes missing coverage. Please review.

Project coverage is 39.50%. Comparing base (a81d9ef) to head (ba6d8d6).
Report is 12 commits behind head on trunk.

Files with missing lines	Patch %	Lines
...resh/lists/detail/PostAverageViewsPerDayUseCase.kt	66.66%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##            trunk   #21457   +/-   ##
=======================================
  Coverage   39.50%   39.50%           
=======================================
  Files        2119     2119           
  Lines       99437    99437           
  Branches    15282    15282           
=======================================
  Hits        39281    39281           
  Misses      56674    56674           
  Partials     3482     3482           

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[dcalhoun]

Changes look sound, testing succeeded.