Partial rollback for LD_LIBRARY_PATH and removing of USER and HOME envs

Dockerfile

@@ -50,6 +50,7 @@ RUN touch /app/server/garrysmod/sv.db
 # CREATE CACHE FOLDERS
 RUN mkdir -p /app/server/steam_cache/content && mkdir -p /app/server/garrysmod/cache/srcds
 
+ENV LD_LIBRARY_PATH=/app/server/bin:/app/server
 ENV HOME=/app
 ENV USER=steam