message: Delete non existing blocks from bem.scss
diff: @import "./bem/blocks/sv-titile.scss";
  @import "./bem/blocks/sv-select-base.scss";
  @import "./bem/blocks/sv-matrix.scss";
  -@import "./bem/blocks/sv-matrixdropdown.scss";
  @import "./bem/blocks/sv-matrixdynamic.scss";
  @import "./bem/blocks/sv-table.scss";
  @import "./bem/blocks/sv-footer.scss";
  @import "./bem/blocks/sv-btn.scss";
  -@import "./bem/blocks/sv-check-item.scss";
  @import "./bem/blocks/sv-checkbox.scss";
  @import "./bem/blocks/sv-radio.scss";
  @import "./bem/blocks/sv-boolean.scss";
  