[IMP] web: remove unused legacy templates

task-3439226

Part-of: odoo/odoo#133289

addons/web/static/src/legacy/xml/base.xml

@@ -1,21 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <templates id="template" xml:space="preserve">
 
-<!-- Owl Templates -->
-
-<t t-name="web.ViewSwitcherButton">
-    <t t-set="buttonLabel">View %s</t>
-    <button type="button"
-        t-att-accesskey="view.accessKey"
-        t-attf-class="btn btn-light o_switch_view o_{{ view.type }} {{ view.icon }}"
-        t-att-class="{ active: env.view.type === view.type }"
-        t-att-aria-label="sprintf(buttonLabel.toString(), view.type)"
-        t-att-data-tooltip="view.name"
-        tabindex="-1"
-        t-on-click="() => this.trigger('switch-view', { view_type: view.type })"
-    />
-</t>
-
 <!-- Legacy Templates -->
 
 <t t-name="FormButton.tooltip">
@@ -27,28 +12,4 @@
     </div>
 </t>
 
-<t t-name="web.datepicker">
-    <t t-set="placeholder" t-value="widget.getParent().node and widget.getParent().node.attrs.placeholder"/>
-    <t t-set="datepickerID" t-value="uniqueId('datepicker')"/>
-    <div class="o_datepicker" aria-atomic="true" t-att-id="datepickerID" data-target-input="nearest">
-        <input type="text"
-            class="o_datepicker_input o_input datetimepicker-input"
-            t-att-name="widget.name"
-            t-att-placeholder="placeholder"
-            t-attf-data-target="##{datepickerID}"
-            autocomplete="off"/>
-        <span class="o_datepicker_button"/>
-    </div>
-</t>
-
-<t t-name="Throbber">
-    <div>
-        <div class="oe_blockui_spin" style="height: 50px">
-            <img src="/web/static/img/spin.png" style="animation: fa-spin 1s infinite steps(12);" alt="Loading..."/>
-        </div>
-        <br />
-        <div class="oe_throbber_message" style="color:white"></div>
-    </div>
-</t>
-
 </templates>

addons/web/static/src/legacy/xml/dialog.xml

@@ -23,8 +23,5 @@
         </div>
     </div>
 </t>
-<div t-name="web.LegacyWarningDialog" class="o_dialog_warning" role="alert">
-    <p t-esc="widget.message" style="white-space: pre-wrap;"/>
-</div>
 
 </templates>