update 8.3.0 release notes for stable release (#17407)

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# Overview

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Updated release notes for stable release.

## Test Plan and Hands on Testing

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No building on our end until the notes are live in the app, but
possibility of format breaking is very low.

## Changelog

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-removed specific mention of Evotips and Ultima PEEK pipettes
-changed overall message to reflect our API 2.22 versioning message:
"beta features for our commercial partners"

## Review requests

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Just a double check on messaging to customers. 

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low.

---------

Co-authored-by: Josh McVey <[email protected]>

Author: emilyburghardt

api/release-notes.md

@@ -10,13 +10,8 @@ By installing and using Opentrons software, you agree to the Opentrons End-User
 
 ## Opentrons Robot Software Changes in 8.3.0
 
-Welcome to the v8.3.0 release of the Opentrons robot software! This release adds support for Evosep Evotips on the Flex, as well as other features.
+Welcome to the v8.3.0 release of the Opentrons robot software! This release includes improvements to error recovery on the Flex, as well as beta features for our commercial partners. 
 
-### New Features
-
-- Use Evosep Evotips in Python API version 2.22 protocols for protein sample purification. Only available with the Flex 96-channel pipette.
-
-- Load a newly modified Flex 8-Channel EM 1000 µL pipette equipped with a PEEK motor component to automate emulsion applications.
 
 ### Improved Features
 

app-shell/build/release-notes.md

@@ -10,13 +10,11 @@ By installing and using Opentrons software, you agree to the Opentrons End-User
 
 ## Opentrons App Changes in 8.3.0
 
-Welcome to the v8.3.0 release of the Opentrons App! This release adds support for Evosep Evotips on the Flex, as well as other features.
+Welcome to the v8.3.0 release of the Opentrons App! This release adds support for Mandarin in the app or Flex touchscreen and includes other beta features for our commercial partners.
 
 ### New Features
 
-- Use Evosep Evotips in Python API version 2.22 protocols for protein sample purification. Only available with the Flex 96-channel pipette.
 - Change the app or Flex touchscreen language to Mandarin in Settings.
-- Load a newly modified Flex 8-Channel EM 1000 µL pipette equipped with a PEEK motor component to automate emulsion applications.
 
 ### Improved Features