shを外す close #3

- renamed:    58.sh -> 58
- renamed:    NAXTU.sh -> NAXTU
- renamed:    VimIcon.sh -> VimIcon
- renamed:    VimIcon_mijikai.sh -> VimIcon_mijikai
- renamed:    brewbundle.sh -> brewbundle
- renamed:    img2aesc.sh -> img2aesc
- renamed:    sd.sh -> sd
- renamed:    weather.sh -> weather
`ddns.sh`のみ呼び出しの関係上残す
fix #2