Remove the previous misplaced log tailer

Summary: The log tailer is already defined in flipper-common, use that instead.

Reviewed By: passy

Differential Revision: D48524909

fbshipit-source-id: 1c0674276f08893ea80dc2fc9f8b45679f33e93e

desktop/flipper-common/src/index.tsx

@@ -20,6 +20,7 @@ export {
   setLoggerInstance,
   NoopLogger,
 } from './utils/Logger';
+export * from './utils/LoggerTailer';
 export * from './server-types';
 export * from './companion-types';
 export * from './ServerAddOn';