Remove dashboard references

[RafaelJCamara]

Thank you for helping make the Dapr documentation better!

Please follow this checklist before submitting:

• Commits are signed with Developer Certificate of Origin (DCO - learn more)
• Read the contribution guide
• Commands include options for Linux, MacOS, and Windows within codetabs
• New file and folder names are globally unique
• Page references use shortcodes instead of markdown or URL links
• Images use HTML style and have alternative text
• Places where multiple code/command options are given have codetabs

In addition, please fill out the following to help reviewers understand this pull request:

Description

Remove Dapr dashboard references from KIND cluster set up steps

Issue reference

Issue #3735
Keep in mind there's still an open comment in such issue.

[msfussell]

@RafaelJCamara - Can't take this PR since the issue is not correct. dapr init -k still installs the dashboard. I suggest that we close the docs issue and decide if this should change by raising a CLI issue.

[RafaelJCamara]

@msfussell Sure! Thank you so much!