apmpackage: remove processor.name fields

This field is not used by the UI, and is redundant;
its value can be inferred from data_stream.dataset`.

See elastic/kibana#161718 (comment)

apmpackage/apm/changelog.yml

@@ -1,8 +1,8 @@
 - version: generated
   changes:
-    - description: Placeholder
+    - description: Remove unused `processor.name` field
       type: enhancement
-      link: https://github.com/elastic/apm-server/pull/123
+      link: https://github.com/elastic/apm-server/pull/11437
 - version: "8.10.0"
   changes:
     - description: Add permissions to reroute to dedicated datasets for logs, metrics and traces

apmpackage/apm/data_stream/app_logs/fields/fields.yml

@@ -35,10 +35,6 @@
   type: constant_keyword
   value: log
   description: Processor event.
-- name: processor.name
-  type: constant_keyword
-  value: log
-  description: Processor name.
 - name: service.framework.name
   type: keyword
   index: false

apmpackage/apm/data_stream/app_metrics/fields/fields.yml

@@ -31,10 +31,6 @@
   type: constant_keyword
   value: metric
   description: Processor event.
-- name: processor.name
-  type: constant_keyword
-  value: metric
-  description: Processor name.
 - name: service.framework.name
   type: keyword
   index: false

apmpackage/apm/data_stream/error_logs/fields/fields.yml

@@ -102,10 +102,6 @@
   type: constant_keyword
   value: error
   description: Processor event.
-- name: processor.name
-  type: constant_keyword
-  value: error
-  description: Processor name.
 - name: service.framework.name
   type: keyword
   index: false

apmpackage/apm/data_stream/internal_metrics/fields/fields.yml

@@ -62,10 +62,6 @@
   type: constant_keyword
   value: metric
   description: Processor event.
-- name: processor.name
-  type: constant_keyword
-  value: metric
-  description: Processor name.
 - name: service.framework.name
   type: keyword
   index: false

apmpackage/apm/data_stream/service_destination_interval_metrics/fields/fields.yml

@@ -8,10 +8,6 @@
   type: constant_keyword
   value: metric
   description: Processor event.
-- name: processor.name
-  type: constant_keyword
-  value: metric
-  description: Processor name.
 - name: service.target.name
   type: keyword
   description: Target service for which data is collected.

apmpackage/apm/data_stream/service_summary_interval_metrics/fields/fields.yml

@@ -8,10 +8,6 @@
   type: constant_keyword
   value: metric
   description: Processor event.
-- name: processor.name
-  type: constant_keyword
-  value: metric
-  description: Processor name.
 - name: service.language.name
   type: keyword
   description: |

apmpackage/apm/data_stream/service_transaction_interval_metrics/fields/fields.yml

@@ -8,10 +8,6 @@
   type: constant_keyword
   value: metric
   description: Processor event.
-- name: processor.name
-  type: constant_keyword
-  value: metric
-  description: Processor name.
 - name: service.language.name
   type: keyword
   description: |

apmpackage/apm/data_stream/traces/fields/fields.yml

@@ -136,10 +136,6 @@
 - name: processor.event
   type: keyword
   description: Processor event, either "transaction" or "span".
-- name: processor.name
-  type: constant_keyword
-  value: transaction
-  description: Processor name.
 - name: service.framework.name
   type: keyword
   index: false

apmpackage/apm/data_stream/transaction_interval_metrics/fields/fields.yml

@@ -33,10 +33,6 @@
   type: constant_keyword
   value: metric
   description: Processor event.
-- name: processor.name
-  type: constant_keyword
-  value: metric
-  description: Processor name.
 - name: service.language.name
   type: keyword
   description: |