Correct reset passsword screen markup
Correct reset passsword screen markup

closes #5524
- changed markup to reflect styles of the sign in screen.
- remove html classes that are redundant.

dbalders/Ghost-Admin,acburdine/Ghost-Admin,airycanon/Ghost-Admin,acburdine/Ghost-Admin,JohnONolan/Ghost-Admin,TryGhost/Ghost-Admin,airycanon/Ghost-Admin,kevinansfield/Ghost-Admin,JohnONolan/Ghost-Admin,kevinansfield/Ghost-Admin,TryGhost/Ghost-Admin,dbalders/Ghost-Admin