Remove codeplex links

[gewarren]

archive.codeplex.com redirects to microsoft.com now.

Contributes to dotnet/docs#26522.

[ghost]

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Issue Details

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archive.codeplex.com redirects to microsoft.com now.

Author:	gewarren
Assignees:	-
Labels:	area-System.Data
Milestone:	-

[opbld30]

Docs Build status updates of commit 551a027:

✅ Validation status: passed

File	Status	Preview URL	Details
xml/System.Data.Objects.DataClasses/EntityCollection`1.xml	✅Succeeded	View
xml/System.Data.Objects.DataClasses/IRelatedEnd.xml	✅Succeeded	View
xml/System.Data.Objects.DataClasses/RelatedEnd.xml	✅Succeeded	View
xml/System.Data.Objects.DataClasses/RelationshipManager.xml	✅Succeeded	View
xml/System.Data.Objects/ObjectContext.xml	✅Succeeded	View
xml/System.Data.Objects/ObjectParameter.xml	✅Succeeded	View
xml/System.Data.Objects/ObjectParameterCollection.xml	✅Succeeded	View
xml/System.Data.Objects/ObjectQuery.xml	✅Succeeded	View
xml/System.Data.Objects/ObjectQuery`1.xml	✅Succeeded	View
xml/System.Data.Objects/ObjectResult`1.xml	✅Succeeded	View
xml/System.Data.Objects/ObjectStateManager.xml	✅Succeeded	View
xml/System.Data/EntityKey.xml	✅Succeeded	View

For more details, please refer to the build report.

Note: Broken links written as relative paths are included in the above build report. For broken links written as absolute paths or external URLs, see the broken link report.

For any questions, please:

• Try searching the docs.microsoft.com contributor guides
• Post your question in the Docs support channel