update `.bashrc`

.bashrc

@@ -44,20 +44,3 @@ if ! shopt -oq posix; then
 		. /etc/bash_completion
 	fi
 fi
-
-# osc7
-osc7_cwd() {
-    local strlen=${#PWD}
-    local encoded=""
-    local pos c o
-    for (( pos=0; pos<strlen; pos++ )); do
-        c=${PWD:$pos:1}
-        case "$c" in
-            [-/:_.!\'\(\)~[:alnum:]] ) o="${c}" ;;
-            * ) printf -v o '%%%02X' "'${c}" ;;
-        esac
-        encoded+="${o}"
-    done
-    printf '\e]7;file://%s%s\e\\' "${HOSTNAME}" "${encoded}"
-}
-PROMPT_COMMAND=${PROMPT_COMMAND:+$PROMPT_COMMAND}osc7_cwd