No docs needed in ci

Author: dlpierce

.circleci/config.yml

@@ -76,7 +76,7 @@ jobs:
             sudo sed -i 's/\(<tool.*TikaTool.*>\)/<!--\1-->/' /opt/fits/xml/fits.xml
             ln -s /usr/lib/*-linux-gnu/libjemalloc.so.2 /usr/local/lib/libjemalloc.so.2
             echo 'export PATH=/opt/fits:$PATH LD_PRELOAD=/usr/local/lib/libjemalloc.so.2' >> $BASH_ENV
-            sudo gem update --system
+            sudo gem update --system --no-document
 
       # Download and cache dependencies
       - restore_cache: