Remove //+build tags, as the code does not compile on older versions of Go anymore

server/subsonic/responses/responses_test.go

@@ -1,5 +1,4 @@
 //go:build linux || darwin
-// +build linux darwin
 
 // TODO Fix snapshot tests in Windows
 // Response Snapshot tests. Only run in Linux and macOS, as they fail in Windows

server/subsonic/wire_injectors.go

@@ -1,5 +1,4 @@
 //go:build wireinject
-// +build wireinject
 
 package subsonic