Cleanup dsh drush related stuff

bin/dsh

@@ -463,7 +463,7 @@ show_help ()
 	echo "	  (init-url <url>)"
 	echo
 	echo "	drush [command]		Execute Drush command (usage: dsh drush [command] [option] [option]...)"
-	echo "	cc [cache_type]		Clear Drupal caches (\"dsh cc\" is equal to \"dsh cc all\")"
+	echo "	cc [cache_type]		Clear Drupal 7 caches (\"dsh cc\" is equal to \"dsh cc all\")"
 	echo "	drupal [command]	Execute Drupal Console command (Drupal 8)"
 	echo
 	echo "	mysql (sqlc)		Opens mysql shell to current project database"
@@ -984,7 +984,7 @@ run ()
 
 		if is_tty ; then
 			# need to use $* here to finally resolve slash-escaped string if any.
-			# passing $@ will not work properly if $@ contains slash espaped string from _drush command
+			# passing $@ will not work properly if $@ contains slash espaped string from drush command
 			docker exec -it $container_id bash -ic "$*"
 		else
 			docker exec $container_id bash -c "$*"
@@ -1059,7 +1059,7 @@ mysql_import ()
 
 	check_docker_running
 
-	_drush sql-drop -y
+	_run drush sql-drop -y
 	local sql_connect
 	sql_connect=$(get_mysql_connect)
 	echo "Importing $filename into the database..."
@@ -1103,25 +1103,7 @@ clear_cache ()
 		type=$1
 	fi
 
-	if [[ "$(get_current_relative_path)" == "" ]] && [ -d docroot ]; then # we're on top level, let's cd to docroot for drush to work
-		cd docroot
-	fi
-	_run 'drush cc '$type
-}
-
-# Shorthand for executing drush commands
-# @param $* arguments and params passed to Drush
-_drush ()
-{
-	if is_yml_absent ; then return 2; fi
-	#if ! get_drush_path; then return; fi
-
-	cwd=$(pwd)
-	if [[ "$(get_current_relative_path)" == "" ]] && [ -d docroot ]; then # we're on top level, let's cd to docroot for drush to work
-		cd docroot
-	fi
-	_run "drush $@"
-	cd $cwd
+	_run "drush cc $type"
 }
 
 # Run Behat tests (also install dependencies through Composer)
@@ -1347,7 +1329,7 @@ case $1 in
 		else
 			# slash escape space-delimited parameters for safe passing between functions
 			cmd=$(printf " %q" "$@")
-			_drush $cmd
+			_run drush $cmd
 		fi
 		;;
 	drupal)