fix: remove final unnecessary using directives (IDE0005) #9

Job	Run time
Prepare version string	3s
Build / Build Linux	3m 27s
Build / Build macOS (Intel)	5m 59s
Build / Build Windows ARM64	4m 0s
Build / Build Windows x64	3m 57s
Build / Build macOS (Apple Silicon)	2m 8s
Build / Build Linux (arm64)	3m 33s
Package / Package Windows (win-arm64)	22s
Package / Package macOS (osx-x64)	16s
Package / Package Windows (win-x64)	26s
Package / Package Linux (linux-arm64)	39s
Package / Package macOS (osx-arm64)	20s
Package / Package Linux (linux-x64)	43s
Release	0s
	25m 53s

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