[BUG] Remove unused sass variables

[danny007in]

C:\wamp64\www\find-unused-sass-variables-new>node cli.js ../AdminLTE/build ../AdminLTE/node_modules/bootstrap/scss -c
Looking for unused variables
i Finding unused variables in "../AdminLTE/build,../AdminLTE/node_modules/bootstrap/scss"...
i 1448 total variables.
× Variable $screen-header-collapse is not being used!
× Variable $main-header-link-padding-x is not being used!
× Variable $main-header-brand-padding-y is not being used!
× Variable $main-header-brand-padding-x is not being used!
× Variable $sidebar-dark-header-color is not being used!
× Variable $sidebar-light-submenu-hover-color is not being used!
× Variable $sidebar-light-header-color is not being used!
× Variable $progress-bar-sm-border-radius is not being used!
× Variable $progress-bar-xs-border-radius is not being used!
× Variable $direct-chat-height is not being used!
× Variable $attachment-border-radius is not being used!
× Variable $zindex-sidebar-mini-links is not being used!

I have added new feature to https://github.com/XhmikosR/find-unused-sass-variables by XhmikosR/find-unused-sass-variables#115 with this help i have founded those