chore: drop camel case properties from analytics [internal] (#1978)

Author: katzino

src/plugins/docusaurus-plugin-segment/segment.js

@@ -34,7 +34,6 @@ export default ExecutionEnvironment.canUseDOM ? {
         if (process.env.NODE_ENV === 'production' && window.analytics) {
             window.analytics.page({
                 app: 'docs',
-                pageType: 'DOCS_PAGE',
                 page_type: 'DOCS_PAGE',
                 path: location.pathname,
                 url: location.href,