eliminate dtk-speak-process-connection-type since we never change it from nil

git-svn-id: http://emacspeak.googlecode.com/svn/trunk@8090 bb5eec90-091a-0410-bc89-db79c2cf2c7b
updated dtk-soft

git-svn-id: http://emacspeak.googlecode.com/svn/trunk@8091 bb5eec90-091a-0410-bc89-db79c2cf2c7b