Remove lang overwrite, workaround now in matching-engine

Author: benjaminaaron

src/core/managers/matchingEngineManager.js

@@ -48,7 +48,6 @@ const matchingEngineManager = {
 
     async initMatchingEngine(language = "en") {
         const engine = await this.constructMatchingEngineOnce();
-        if (language.startsWith("de")) language = "de"; // support more languages in matching-engine TODO
         await engine.init(language);
         return engine;
     },