removed environment: internal for ocr

Reviewed-by: Gode, Sebastian <sebastian.gode@t-systems.com>
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Co-authored-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Co-committed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>

otc_metadata/data/documents/ocr-api-ref.yaml

@@ -1,6 +1,5 @@
 ---
 hc_location: api/ocr
-environment: internal
 html_location: docs/ocr/api-ref
 link: /optical-character-recognition/api-ref/
 pdf_name: ocr-api-ref

otc_metadata/data/documents/ocr-umn.yaml

@@ -1,6 +1,5 @@
 ---
 hc_location: usermanual/ocr
-environment: internal
 html_location: docs/ocr/umn
 link: /optical-character-recognition/umn/
 pdf_name: ocr-umn

otc_metadata/data/services/ocr.yaml

@@ -1,5 +1,5 @@
 ---
-environment: internal
+environment: public
 repositories:
 - environment: internal
   repo: docs/optical-character-recognition