Issue #2565791 by mikeryan, subhojit777, quietone, phenaproxima: Fix migration labels

core/modules/action/migration_templates/d6_action_settings.yml

 id: d6_action_settings
-label: Drupal 6 action configuration
+label: Action configuration
 migration_tags:
   - Drupal 6
 source:

core/modules/aggregator/migration_templates/d6_aggregator_feed.yml

 id: d6_aggregator_feed
-label: Drupal 6 aggregator feeds
+label: Aggregator feeds
 migration_tags:
   - Drupal 6
 source:

core/modules/aggregator/migration_templates/d6_aggregator_item.yml

 id: d6_aggregator_item
-label: Drupal 6 aggregator items
+label: Aggregator items
 migration_tags:
   - Drupal 6
 source:

core/modules/aggregator/migration_templates/d6_aggregator_settings.yml

 id: d6_aggregator_settings
-label: Drupal 6 aggregator configuration
+label: Aggregator configuration
 migration_tags:
   - Drupal 6
 source:

core/modules/aggregator/migration_templates/d7_aggregator_settings.yml

 id: d7_aggregator_settings
-label: Drupal 7 aggregator configuration
+label: Aggregator configuration
 migration_tags:
   - Drupal 7
 source:

core/modules/ban/migration_templates/d7_blocked_ips.yml

 id: d7_blocked_ips
-label: Drupal 7 blocked IPs
+label: Blocked IPs
 migration_tags:
   - Drupal 7
 source:

core/modules/block/migration_templates/d6_block.yml

 id: d6_block
-label: Drupal 6 blocks
+label: Blocks
 migration_tags:
   - Drupal 6
 source:

core/modules/block_content/migration_templates/d6_block_content_body_field.yml

 id: d6_block_content_body_field
-label: Drupal 6 block content body field configuration
+label: Block content body field configuration
 migration_tags:
   - Drupal 6
 source:

core/modules/block_content/migration_templates/d6_block_content_type.yml

 id: d6_block_content_type
-label: Drupal 6 block content type
+label: Block content type
 migration_tags:
   - Drupal 6
 source:

core/modules/block_content/migration_templates/d6_custom_block.yml

 id: d6_custom_block
-label: Drupal 6 custom blocks
+label: Custom blocks
 migration_tags:
   - Drupal 6
 source:

core/modules/book/migration_templates/d6_book.yml

 id: d6_book
-label: Drupal 6 books
+label: Books
 migration_tags:
   - Drupal 6
 source:

core/modules/book/migration_templates/d6_book_settings.yml

 id: d6_book_settings
-label: Drupal 6 book configuration
+label: Book configuration
 migration_tags:
   - Drupal 6
 source:

core/modules/comment/migration_templates/d6_comment.yml

 id: d6_comment
-label: Drupal 6 comments
+label: Comments
 migration_tags:
   - Drupal 6
 source:

core/modules/comment/migration_templates/d6_comment_entity_display.yml

 id: d6_comment_entity_display
-label: Drupal 6 comment display configuration
+label: Comment display configuration
 migration_tags:
   - Drupal 6
 source:

core/modules/comment/migration_templates/d6_comment_entity_form_display.yml

 id: d6_comment_entity_form_display
-label: Drupal 6 comment field form display configuration
+label: Comment field form display configuration
 migration_tags:
   - Drupal 6
 source:

core/modules/comment/migration_templates/d6_comment_entity_form_display_subject.yml

 id: d6_comment_entity_form_display_subject
-label: Drupal 6 comment subject form display configuration
+label: Comment subject form display configuration
 migration_tags:
   - Drupal 6
 source:

core/modules/comment/migration_templates/d6_comment_field.yml

 id: d6_comment_field
-label: Drupal 6 comment field configuration
+label: Comment field configuration
 migration_tags:
   - Drupal 6
 source:

core/modules/comment/migration_templates/d6_comment_field_instance.yml

 id: d6_comment_field_instance
-label: Drupal 6 comment field instance configuration
+label: Comment field instance configuration
 migration_tags:
   - Drupal 6
 source:

core/modules/comment/migration_templates/d6_comment_type.yml

 id: d6_comment_type
-label: Drupal 6 comment type
+label: Comment type
 migration_tags:
   - Drupal 6
 source:

core/modules/comment/migration_templates/d7_comment.yml

 id: d7_comment
-label: Drupal 7 comments
+label: Comments
 migration_tags:
   - Drupal 7
 source: