Remove no-longer-needed @preconcurrencys (#83)

See apple/swift-openapi-generator#396.

---------

Co-authored-by: Honza Dvorsky <[email protected]>

Author: MahdiBM

Sources/OpenAPIRuntime/Conversion/Converter.swift

@@ -12,11 +12,11 @@
 //
 //===----------------------------------------------------------------------===//
 #if canImport(Darwin)
-import Foundation
+import class Foundation.JSONEncoder
 #else
 @preconcurrency import class Foundation.JSONEncoder
-@preconcurrency import class Foundation.JSONDecoder
 #endif
+import class Foundation.JSONDecoder
 
 /// Converter between generated and HTTP currency types.
 @_spi(Generated) public struct Converter: Sendable {

Sources/OpenAPIRuntime/Errors/ClientError.swift

@@ -14,11 +14,11 @@
 
 import HTTPTypes
 #if canImport(Darwin)
-import Foundation
+import struct Foundation.URL
 #else
 @preconcurrency import struct Foundation.URL
-@preconcurrency import protocol Foundation.LocalizedError
 #endif
+import protocol Foundation.LocalizedError
 
 /// An error thrown by a client performing an OpenAPI operation.
 ///

Sources/OpenAPIRuntime/Interface/ClientTransport.swift

@@ -13,11 +13,7 @@
 //===----------------------------------------------------------------------===//
 
 import HTTPTypes
-#if canImport(Darwin)
 import struct Foundation.URL
-#else
-@preconcurrency import struct Foundation.URL
-#endif
 
 /// A type that performs HTTP operations.
 ///

Sources/OpenAPIRuntime/Interface/UniversalClient.swift

@@ -13,7 +13,7 @@
 //===----------------------------------------------------------------------===//
 import HTTPTypes
 #if canImport(Darwin)
-import Foundation
+import struct Foundation.URL
 #else
 @preconcurrency import struct Foundation.URL
 #endif

Sources/OpenAPIRuntime/Interface/UniversalServer.swift

@@ -13,14 +13,12 @@
 //===----------------------------------------------------------------------===//
 
 import HTTPTypes
-
 #if canImport(Darwin)
 import struct Foundation.URL
-import struct Foundation.URLComponents
 #else
 @preconcurrency import struct Foundation.URL
-@preconcurrency import struct Foundation.URLComponents
 #endif
+import struct Foundation.URLComponents
 
 /// OpenAPI document-agnostic HTTP server used by OpenAPI document-specific,
 /// generated servers to perform request deserialization, middleware and handler

Tests/OpenAPIRuntimeTests/URICoder/Test_URICodingRoundtrip.swift

@@ -12,10 +12,12 @@
 //
 //===----------------------------------------------------------------------===//
 import XCTest
-@_spi(Generated) @testable import OpenAPIRuntime
-#if os(Linux)
-@preconcurrency import Foundation
+#if canImport(Darwin) || swift(>=5.9.1)
+import struct Foundation.Date
+#else
+@preconcurrency import struct Foundation.Date
 #endif
+@_spi(Generated) @testable import OpenAPIRuntime
 
 final class Test_URICodingRoundtrip: Test_Runtime {