Issue #2994579 by mitrpaka, idebr, tstoeckler: Remove obsolete login blocks

core/modules/migrate_drupal_ui/tests/src/Functional/d6/MigrateUpgrade6Test.php

@@ -57,7 +57,7 @@ protected function getEntityCounts() {
     return [
       'aggregator_item' => 1,
       'aggregator_feed' => 2,
-      'block' => 35,
+      'block' => 34,
       'block_content' => 2,
       'block_content_type' => 1,
       'comment' => 6,

core/profiles/demo_umami/config/install/block.block.seven_login.yml

-langcode: en
-status: true
-dependencies:
-  module:
-    - user
-  theme:
-    - seven
-id: seven_login
-theme: seven
-region: content
-weight: 10
-provider: null
-plugin: user_login_block
-settings:
-  id: user_login_block
-  label: 'User login'
-  provider: user
-  label_display: visible
-visibility: {  }

core/profiles/minimal/config/install/block.block.stark_login.yml

-langcode: en
-status: true
-dependencies:
-  module:
-    - user
-  theme:
-    - stark
-id: stark_login
-theme: stark
-region: sidebar_first
-weight: 0
-provider: null
-plugin: user_login_block
-settings:
-  id: user_login_block
-  label: 'User login'
-  provider: user
-  label_display: visible
-visibility: {  }

core/profiles/standard/config/install/block.block.seven_login.yml

-langcode: en
-status: true
-dependencies:
-  module:
-    - user
-  theme:
-    - seven
-id: seven_login
-theme: seven
-region: content
-weight: 10
-provider: null
-plugin: user_login_block
-settings:
-  id: user_login_block
-  label: 'User login'
-  provider: user
-  label_display: visible
-visibility: {  }