Update Dockerfile

Dockerfile

@@ -1,7 +1,5 @@
 FROM openanalytics/r-ver:4.1.3
 
-LABEL maintainer="Tobias Verbeke <tobias.verbeke@openanalytics.eu>"
-
 # system libraries of general use
 RUN apt-get update && apt-get install --no-install-recommends -y \
     pandoc \
@@ -14,7 +12,6 @@ RUN apt-get update && apt-get install --no-install-recommends -y \
     libssl1.1 \
     && rm -rf /var/lib/apt/lists/*
 
-# system library dependency for the euler app
 RUN apt-get update && apt-get install -y \
     libmpfr-dev \
     && rm -rf /var/lib/apt/lists/*