personalization cleanup - fixes (#3323)

Author: julitafalcondusza

docs/cdp/cdp_guide.md

@@ -53,7 +53,7 @@ To create a personalized customer experience, you need to group your clients int
 [[= product_name =]] comes with a ready solution - segment groups.
 Segment group information is reused by various [[= product_name =]] functionalities, such as [Recommendations](raptor_connector_guide.md) or content targeting.
 
-You can [create a segment group]([[= user_doc =]]/personalization/segment_management/) in the back office of [[= product_name =]].
+You can [create a segment group](segments_admin_panel.md) in the back office of [[= product_name =]].
 It serves as a container for all segments data generated by [[= product_name_cdp =]].
 When you create a segment group, you need to provide its name and identifier.
 Be careful while doing so, as after you create the segment group in the back office and connect it to [[= product_name_cdp =]], you cannot change it in any way, including edit its name.

docs/resources/contributing/package_structure.md

@@ -27,10 +27,6 @@ A package which groups some DXP features can use an additional prefix, for examp
 namespace Ibexa\Commerce;
 ```
 
-``` php {skip-validation}
-namespace Ibexa\Personalization;
-```
-
 ## Packages
 
 The general package directory structure and corresponding PHP namespace mapping are: