Cleanup doc-tools-check-languages

Remove obsolete content.

Change-Id: Ibbb7ee0c3ebc7d6594c580d48d9846abb67cd324

bin/doc-tools-check-languages

@@ -181,8 +181,6 @@ fi
 source $CONF_FILE
 
 if [[ -z $(declare -p BOOKS 2> /dev/null | grep 'declare -A BOOKS') || \
-    -z $(declare -p DIRECTORIES 2> /dev/null | \
-    grep 'declare -A DIRECTORIES') || \
     -z $DOC_DIR ]]; then
     echo "Error: the configuration file '$CONF_FILE' is invalid"
     exit 1

bin/doc-tools-check-languages.conf

@@ -1,29 +1,11 @@
 # Example configuration for the languages 'ja' and 'fr'.
 
-# Directories to set up
-declare -A DIRECTORIES=(
-    ["ja"]="common glossary high-availability-guide image-guide install-guide user-guide"
-    ["fr"]="common glossary user-guide"
-)
-
 # Books to build
 declare -A BOOKS=(
     ["ja"]="high-availability-guide image-guide install-guide user-guide"
     ["fr"]="user-guide"
 )
 
-# draft books
-declare -A DRAFTS=(
-    ["fr"]="image-guide"
-    ["ja"]="install-guide"
-    ["pt_BR"]="install-guide"
-    ["zh_CN"]="install-guide"
-)
-
-# Where does the top-level pom live?
-# Set to empty to not copy it.
-POM_FILE=doc/pom.xml
-
 # Location of doc dir
 DOC_DIR="doc/"