Deprecate SizeConfig as well from exporterhelper (open-telemetry#12749)

I forgot about this in the previous PR.

Signed-off-by: Bogdan Drutu <[email protected]>

Author: bogdandrutu

.chloggen/deprecate-batcher-config.yaml

@@ -7,7 +7,7 @@ change_type: deprecation
 component: exporterhelper
 
 # A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
-note: Deprecate BatcherConfig and WithBatcher in favor of the new QueueBatchConfig.
+note: Deprecate BatcherConfig, SizeConfig and WithBatcher in favor of the new QueueBatchConfig.
 
 # One or more tracking issues or pull requests related to the change
 issues: [12748]

exporter/exporterbatcher/config.go

@@ -11,7 +11,7 @@ import (
 type Config = exporterhelper.BatcherConfig //nolint:staticcheck
 
 // Deprecated: [v0.123.0] use exporterhelper.SizeConfig
-type SizeConfig = exporterhelper.SizeConfig
+type SizeConfig = exporterhelper.SizeConfig //nolint:staticcheck
 
 // Deprecated: [v0.123.0] use exporterhelper.RequestSizerType
 type SizerType = exporterhelper.RequestSizerType

exporter/exporterhelper/queue_batch.go

@@ -65,9 +65,7 @@ var NewDefaultQueueConfig = internal.NewDefaultQueueConfig
 // Deprecated: [v0.123.0] use WithQueueBatch.
 type BatcherConfig = internal.BatcherConfig
 
-// SizeConfig sets the size limits for a batch.
-// Experimental: This API is at the early stage of development and may change without backward compatibility
-// until https://github.com/open-telemetry/opentelemetry-collector/issues/8122 is resolved.
+// Deprecated: [v0.123.0] use WithQueueBatch.
 type SizeConfig = internal.SizeConfig
 
 // Deprecated: [v0.123.0] use WithQueueBatch.