🗑️ [Remove]: deprecated code in v3.0

[stijnmoreels]

This issue acts as a checklist for all the places where deprecated code is located and should be removed with the release of v3.0.

• Remove .UploadIfNotExistsAsync in TemporaryBlobFile
• Remove .UploadFileAsync in TemporaryBlobContainer
• Remove .CleanCreatedBlobs for OnTeardownTemporaryBlobContainerOptions
• Remove .InsertIfNotExistsAsync in TemporaryMongoDbDocument
• Remove .AddDocumentAsync in TemporaryMomgoDbCollection
• Remove .CleanCreatedDocuments for OnTeardownTemporaryMongoDbCollectionOptions
• Remove .InsertIfNotExistsAsync in TemporaryNoSqlItem
• Remove .AddItemAsync in TemporaryNoSqlContainer
• Remove .CleanCreatedItems for OnTeardownTemporaryNoSqlContainerOptions
• Remove .AddIfNotExistsAsync in TemporaryTableEntity
• Remove .AddEntityAsync in TemporaryTable
• Remove .CleanCreatedEntities for OnTeardownTemporaryTableOptions
• Remove .ReadFileTextBy[Name/Pattern] for ResourceDirectory
• Remove .ReadFileBytesBy[Name/Pattern] for ResourceDirectory