Deprecation Guide for Deprecate import lt from @ember/object/computed

lt (less than) from @ember/object/computed is deprecated.

Before:

import { lt } from '@ember/object/computed';
class Score {
  value = 5;
  @lt('value', 10) isLow;
}

After:

class Score {
  value = 5;
  get isLow() {
    return this.value < 10;
  }
}