Change Details

[Ronseal](https://en.wikipedia.org/wiki/Does_exactly_what_it_says_on_the_tin). === Background `EventLogging::getMetricsPlatformClient()` is the gateway to the Metrics Platform SDK. The Experiment Platform team are deprecating the Metrics Platform MediaWiki extension and SDKs in favour of the Test Kitchen SDK. `EventLogging::getMetricsPlatformClient()` should be deprecated and removed. === AC [] Any uses of the method are tidied up ** https://codesearch.wmcloud.org/search/?q=getMetricsPlatformClient&files=php%24&excludeFiles=&repos= [] The method is deprecated and removed [] Supporting code is tidied up ** `EventLogging::resetMetricsPlatformClient()` ** `EventLogging::$metricsPlatformClient()` [] The deprecation is announced [] On-wiki documentation is updated