Remove mencoder from doc build.

QuLogic · QuLogic · commit c85f3097fe67 · 2017-07-20T17:59:19.000-04:00
It's not available on jessie, the distro on which CircleCI's docker
image is based.
diff --git a/.circleci/config.yml b/.circleci/config.yml
@@ -13,7 +13,6 @@ jobs:
           sudo apt-get install \
             inkscape \
             libav-tools \
-            mencoder \
             dvipng \
             pgf \
             lmodern \
@@ -72,7 +71,6 @@ jobs:
           sudo apt-get install \
             inkscape \
             libav-tools \
-            mencoder \
             dvipng \
             pgf \
             lmodern \
