misc: refactored bin content into files/shims (#3607)

Dockerfile

@@ -65,8 +65,7 @@ STOPSIGNAL SIGTERM
 ENV TYPE=VANILLA VERSION=LATEST EULA="" UID=1000 GID=1000 LC_ALL=en_US.UTF-8
 
 COPY --chmod=755 scripts/start* /
-COPY --chmod=755 bin/ /usr/local/bin/
-COPY --chmod=755 bin/mc-health /health.sh
+COPY --chmod=755 files/shims/ /usr/local/bin/
 COPY --chmod=755 files/* /image/
 COPY --chmod=755 files/auto /auto