[REF] *: remove owl="1" from the templates

As all the templates are now imported in the owl app, there is not need
anymore to specify the owl="1" attribute in the templates.

Part of task~3443861

Part-of: odoo/odoo#130467

addons/base_import/static/src/import_action/import_action.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <templates xml:space="preserve">
-    <t t-name="ImportAction" owl="1">
+    <t t-name="ImportAction">
         <div class="h-100 d-flex flex-column">
             <Layout className="'o_import_action d-flex h-100 overflow-auto bg-white'" display="display">
                 <t t-set-slot="control-panel-create-button">

addons/base_import/static/src/import_block_ui.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <templates id="template" xml:space="preserve">
 
-    <t t-name="base_import.BlockUI" owl="1">
+    <t t-name="base_import.BlockUI">
         <div class="o_blockUI fixed-top d-flex justify-content-center align-items-center flex-column vh-100 bg-black-50">
             <div class="o_spinner mb-4">
                 <img src="/web/static/img/spin.svg" alt="Loading..."/>

addons/base_import/static/src/import_data_column_error/import_data_column_error.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <templates xml:space="preserve">
-    <t t-name="ImportDataColumnError" owl="1">
+    <t t-name="ImportDataColumnError">
         <div class="o_import_report alert alert-danger mb-2">
             <t t-if="props.errors.length > 1">
                 <p>

addons/base_import/static/src/import_data_content/import_data_content.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <templates xml:space="preserve">
-    <t t-name="ImportDataContent" owl="1">
+    <t t-name="ImportDataContent">
         <div class="o_import_data_content flex-grow-1 overflow-auto border-start">
             <div t-if="props.previewError" class="border-bottom p-2 bg-light">
                 <div class="alert alert-danger mb-0">
@@ -100,7 +100,7 @@
         </div>
     </t>
 
-    <t t-name="ImportDataContent.tooltip" owl="1">
+    <t t-name="ImportDataContent.tooltip">
         <h5 class="border-bottom p-2">Preview</h5>
         <div class="p-2 pt-0 pe-3">
             <p

addons/base_import/static/src/import_data_options/import_data_options.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <templates xml:space="preserve">
-    <t t-name="ImportDataOptions" owl="1">
+    <t t-name="ImportDataOptions">
         <div t-if="isVisible and state.options.length > 1" t-attf-class="o_import_dropdown o_import_field_#{props.fieldInfo.type} alert alert-danger mb-2">
             <b>When a value cannot be matched:</b>
             <select class="o_import_create_option form-select w-auto bg-light" t-att-type="props.fieldInfo.type" t-on-change="onSelectionChanged">

addons/base_import/static/src/import_data_progress/import_data_progress.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <templates xml:space="preserve">
-    <t t-name="ImportDataProgress" owl="1">
+    <t t-name="ImportDataProgress">
         <div t-if="props.importProgress.step > 1" class="o_import_data_progress d-flex align-items-center flex-column">
             <div class="o_import_progress_dialog_batch text-center">
                 Batch <span class="o_import_progress_dialog_batch_count"><t t-esc="props.importProgress.step"/></span> out of <span t-esc="props.totalSteps"/>...

addons/base_import/static/src/import_data_sidepanel/import_data_sidepanel.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <templates xml:space="preserve">
-    <t t-name="ImportDataSidepanel" owl="1">
+    <t t-name="ImportDataSidepanel">
         <div class="o_import_data_sidepanel p-3 overflow-auto">
             <div class="pb-4">
                 <h4>Imported file</h4>

addons/base_import/static/src/import_records/import_records.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <templates xml:space="preserve">
 
-    <t t-name="base_import.ImportRecords" owl="1">
+    <t t-name="base_import.ImportRecords">
         <DropdownItem class="'o_import_menu'" onSelected.bind="importRecords">
             <i class="fa fa-fw fa-download me-1"/>Import records
         </DropdownItem>