Reformat extra space before line continuation

Author: kriation

Dockerfile

@@ -29,12 +29,12 @@ LABEL org.label-schema.build-date=$BUILD_DATE \
 	org.opencontainers.image.version=$SPIGOT_VERSION \
 	org.opencontainers.iamge.url="https://github.com/kriation/docker-spigot"
 ENV SPIGOT_VERSION=${SPIGOT_VERSION:-latest} \
-	MC_SERVER_MEM=${MC_SERVER_MEM:-1024M}  \
-	MC_SERVER_PORT=${MC_SERVER_PORT:-25565}  \
-	MC_SERVER_QUERY=${MC_SERVER_QUERY:-false}  \
-	MC_SERVER_QUERY_PORT=${MC_SERVER_QUERY_PORT:-25565}  \
-	MC_SERVER_RCON=${MC_SERVER_RCON:-false}  \
-	MC_SERVER_RCON_PORT=${MC_SERVER_RCON_PORT:-25567}  \
+	MC_SERVER_MEM=${MC_SERVER_MEM:-1024M} \
+	MC_SERVER_PORT=${MC_SERVER_PORT:-25565} \
+	MC_SERVER_QUERY=${MC_SERVER_QUERY:-false} \
+	MC_SERVER_QUERY_PORT=${MC_SERVER_QUERY_PORT:-25565} \
+	MC_SERVER_RCON=${MC_SERVER_RCON:-false} \
+	MC_SERVER_RCON_PORT=${MC_SERVER_RCON_PORT:-25567} \
 	MC_SERVER_RCON_PASS=${MC_SERVER_RCON_PASS} \
 	MC_EULA=${MC_EULA:-false} \
 	JMX_ON=${JMX_ON:-false} \