removes the package tags from Dockerfile

Dockerfile

@@ -24,9 +24,9 @@ RUN rm -f /etc/apt/sources.list.d/*.list && \
     build-essential \
     libsndfile-dev \
     software-properties-common \
-    libxrender1:i386 \
-    libxtst6:i386 \
-    libxi6:i386\
+    libxrender1 \
+    libxtst6 \
+    libxi6 \
  && rm -rf /var/lib/apt/lists/*
 
 RUN add-apt-repository ppa:flexiondotorg/nvtop && \