fix(tools): modify/improve comments in custom docs-private-hostbinding-lifecycle eslint rule

Author: leozhang14

tools/eslint/custom-rules/docs-private-hostbinding-lifecycle.js

@@ -7,9 +7,8 @@
  *    * @docs-private
  *    *\/
  *
- * above every @HostBinding() member and Angular lifecycle hook.
+ * above every @HostBinding() member and Angular lifecycle method.
  */
-
 'use strict';
 
 const LIFECYCLE_HOOKS = new Set([
@@ -29,7 +28,7 @@ function hasDocsPrivate(src, node) {
 
 /**
  * Returns (`indent`, `eol`) for the line where `node` starts
- * indenting should be irrelevant as there are existing eslint rules that can resolve indenting issues
+ * - indenting should be irrelevant as there are existing eslint rules that can resolve indenting issues
 */
 function indentAndEol(src, node) {
   const full = src.getText();
@@ -44,7 +43,6 @@ function indentAndEol(src, node) {
 
 /**
  * Returns true if the decorators array contains a @HostBinding() decorator.
- * Accepts `undefined` or empty arrays and safely short-circuits.
  */
 function isHostBinding(decorators = []) {
   return decorators.some(