[AutoPR track2_azure-mgmt-streamanalytics] Remove deprecated all-api-versions in readme.md#2126

openapi-sdkautomation[bot] wants to merge 1 commit intomasterAzureSDKAutomation/azure-sdk-for-python:masterfrom

sdkAutomation/track2_azure-mgmt-streamanalytics@10863AzureSDKAutomation/azure-sdk-for-python:sdkAutomation/track2_azure-mgmt-streamanalytics@10863Copy head branch name to clipboard