Remove maxlength attribute from register password field.
Remove maxlength attribute from register password field.

Pasting a longer password than allowed limit silently truncated to the
max value, resulting in creating an account with a password user is
unaware of because no validation error occurs.

VAN-86

angelapper/edx-platform,stvstnfrd/edx-platform,EDUlib/edx-platform,angelapper/edx-platform,arbrandes/edx-platform,eduNEXT/edunext-platform,eduNEXT/edunext-platform,arbrandes/edx-platform,stvstnfrd/edx-platform,stvstnfrd/edx-platform,eduNEXT/edx-platform,angelapper/edx-platform,eduNEXT/edunext-platform,arbrandes/edx-platform,EDUlib/edx-platform,edx/edx-platform,eduNEXT/edx-platform,edx/edx-platform,eduNEXT/edx-platform,EDUlib/edx-platform,angelapper/edx-platform,eduNEXT/edx-platform,edx/edx-platform,edx/edx-platform,EDUlib/edx-platform,arbrandes/edx-platform,stvstnfrd/edx-platform,eduNEXT/edunext-platform