Remove unused function from gr-main-header, gr-smart-search & gr-app-element They are unused. Change-Id: Ic4b327e17751176cd091e2b7af253cbb27f33f3c

diff --git a/polygerrit-ui/app/elements/core/gr-main-header/gr-main-header.ts b/polygerrit-ui/app/elements/core/gr-main-header/gr-main-header.ts
index a6ee55d..21d9b97 100644
--- a/polygerrit-ui/app/elements/core/gr-main-header/gr-main-header.ts
+++ b/polygerrit-ui/app/elements/core/gr-main-header/gr-main-header.ts

@@ -37,8 +37,7 @@
 import {sharedStyles} from '../../../styles/shared-styles';
 import {LitElement, PropertyValues, html, css} from 'lit';
 import {customElement, property, state} from 'lit/decorators';
-import {ValueChangedEvent} from '../../../types/events';
-import {fire, fireEvent} from '../../../utils/event-util';
+import {fireEvent} from '../../../utils/event-util';
 
 type MainHeaderLink = RequireProperties<DropdownLink, 'url' | 'name'>;
 
@@ -103,9 +102,6 @@
 ]);
 
 declare global {
-  interface HTMLElementEventMap {
-    'search-query-changed': ValueChangedEvent;
-  }
   interface HTMLElementTagNameMap {
     'gr-main-header': GrMainHeader;
   }
@@ -383,9 +379,6 @@
         label="Search for changes"
         .searchQuery=${this.searchQuery}
         .serverConfig=${this.serverConfig}
-        @search-query-changed=${(e: ValueChangedEvent) => {
-          this.handleSearchQueryBindValueChanged(e);
-        }}
       ></gr-smart-search>
       <gr-endpoint-decorator
         class="hideOnMobile"
@@ -651,8 +644,4 @@
     e.stopPropagation();
     fireEvent(this, 'mobile-search');
   }
-
-  private handleSearchQueryBindValueChanged(e: ValueChangedEvent) {
-    fire(this, 'search-query-changed', {value: e.detail.value});
-  }
 }

diff --git a/polygerrit-ui/app/elements/core/gr-smart-search/gr-smart-search.ts b/polygerrit-ui/app/elements/core/gr-smart-search/gr-smart-search.ts
index 71ffe18..ed6b822 100644
--- a/polygerrit-ui/app/elements/core/gr-smart-search/gr-smart-search.ts
+++ b/polygerrit-ui/app/elements/core/gr-smart-search/gr-smart-search.ts

@@ -26,7 +26,6 @@
 import {getAppContext} from '../../../services/app-context';
 import {LitElement, html} from 'lit';
 import {customElement, property} from 'lit/decorators';
-import {fire} from '../../../utils/event-util';
 
 const MAX_AUTOCOMPLETE_RESULTS = 10;
 const SELF_EXPRESSION = 'self';
@@ -73,9 +72,6 @@
         @handle-search=${(e: CustomEvent<SearchBarHandleSearchDetail>) => {
           this.handleSearch(e);
         }}
-        @value-changed=${(e: CustomEvent) => {
-          this.handleSearchValueChanged(e);
-        }}
       ></gr-search-bar>
     `;
   }
@@ -196,8 +192,4 @@
       GerritNav.navigateToSearchQuery(input);
     }
   }
-
-  private handleSearchValueChanged(e: CustomEvent) {
-    fire(this, 'search-query-changed', {value: e.detail.value});
-  }
 }

diff --git a/polygerrit-ui/app/elements/gr-app-element.ts b/polygerrit-ui/app/elements/gr-app-element.ts
index e302c8f..c509e7a 100644
--- a/polygerrit-ui/app/elements/gr-app-element.ts
+++ b/polygerrit-ui/app/elements/gr-app-element.ts

@@ -65,7 +65,6 @@
 import {
   AppElementJustRegisteredParams,
   AppElementParams,
-  AppElementSearchParam,
   isAppElementJustRegisteredParams,
 } from './gr-app-types';
 import {GrMainHeader} from './core/gr-main-header/gr-main-header';
@@ -77,7 +76,6 @@
   PageErrorEventDetail,
   RpcLogEvent,
   TitleChangeEventDetail,
-  ValueChangedEvent,
 } from '../types/events';
 import {ViewState} from '../types/types';
 import {GerritView} from '../services/router/router-model';
@@ -620,11 +618,6 @@
       ? 'app-theme-dark'
       : 'app-theme-light';
   }
-
-  _handleSearchQueryChanged(e: ValueChangedEvent) {
-    if (!this.params) return;
-    (this.params as AppElementSearchParam).query = e.detail.value;
-  }
 }
 
 declare global {

diff --git a/polygerrit-ui/app/elements/gr-app-element_html.ts b/polygerrit-ui/app/elements/gr-app-element_html.ts
index a6afb33..84e4d1a 100644
--- a/polygerrit-ui/app/elements/gr-app-element_html.ts
+++ b/polygerrit-ui/app/elements/gr-app-element_html.ts

@@ -100,7 +100,6 @@
   <gr-main-header
     id="mainHeader"
     search-query="[[params.query]]"
-    on-search-query-changed="_handleSearchQueryChanged"
     on-mobile-search="_mobileSearchToggle"
     on-show-keyboard-shortcuts="handleShowKeyboardShortcuts"
     mobile-search-hidden="[[!mobileSearch]]"
@@ -116,7 +115,6 @@
         search-query="[[params.query]]"
         server-config="[[_serverConfig]]"
         hidden="[[!mobileSearch]]"
-        on-search-query-changed="_handleSearchQueryChanged"
       >
       </gr-smart-search>
     </template>