fixup! addressed more feedback

Author: mmalerba

src/material/core/tokens/m2/_index.scss

@@ -1,7 +1,5 @@
 @use 'sass:map';
 @use 'sass:meta';
-@use '../../theming/palette';
-@use '../../theming/theming' as theming;
 @use '../../style/sass-utils';
 
 @use './mat/card' as tokens-mat-card;

src/material/core/tokens/tests/test-validate-tokens.scss

@@ -5,6 +5,7 @@
 @use '@material/card/outlined-card-theme' as mdc-outlined-card-theme;
 @use '@material/checkbox/checkbox-theme' as mdc-checkbox-theme;
 @use '@material/circular-progress/circular-progress-theme' as mdc-circular-progress-theme;
+@use '@material/linear-progress/linear-progress-theme' as mdc-linear-progress-theme;
 @use '@material/icon-button/icon-button-theme' as mdc-icon-button-theme;
 @use '@material/list/list-theme' as mdc-list-theme;
 @use '@material/tooltip/plain-tooltip-theme' as mdc-plaintip-tooltip-theme;
@@ -16,6 +17,7 @@
 @use '@material/theme/validate' as mdc-validate;
 
 @use '../m2/mdc/circular-progress' as tokens-mdc-circular-progress;
+@use '../m2/mdc/linear-progress' as tokens-mdc-linear-progress;
 @use '../m2/mdc/elevated-card' as tokens-mdc-elevated-card;
 @use '../m2/mdc/icon-button' as tokens-mdc-icon-button;
 @use '../m2/mdc/checkbox' as tokens-mdc-checkbox;