Update pod RxSwift, RxCocoa to 4.5.0

Pods/RxCocoa/Platform/Platform.Linux.swift

@@ -8,76 +8,8 @@
 
 #if os(Linux)
 
-    import XCTest
-    import Glibc
-    import SwiftShims
     import class Foundation.Thread
 
-    final class AtomicInt {
-        typealias IntegerLiteralType = Int
-        fileprivate var value: Int32 = 0
-        fileprivate var _lock = RecursiveLock()
-
-        func lock() {
-          _lock.lock()
-        }
-        func unlock() {
-          _lock.unlock()
-        }
-
-        func valueSnapshot() -> Int32 {
-            return value
-        }
-    }
-
-    extension AtomicInt: ExpressibleByIntegerLiteral {
-        convenience init(integerLiteral value: Int) {
-            self.init()
-            self.value = Int32(value)
-        }
-    }
-    
-    func >(lhs: AtomicInt, rhs: Int32) -> Bool {
-        return lhs.value > rhs
-    }
-    func ==(lhs: AtomicInt, rhs: Int32) -> Bool {
-        return lhs.value == rhs
-    }
-
-    func AtomicFlagSet(_ mask: UInt32, _ atomic: inout AtomicInt) -> Bool {
-        atomic.lock(); defer { atomic.unlock() }
-        return (atomic.value & Int32(mask)) != 0
-    }
-
-    func AtomicOr(_ mask: UInt32, _ atomic: inout AtomicInt) -> Int32 {
-        atomic.lock(); defer { atomic.unlock() }
-        let value = atomic.value
-        atomic.value |= Int32(mask)
-        return value
-    }
-
-    func AtomicIncrement(_ atomic: inout AtomicInt) -> Int32 {
-        atomic.lock(); defer { atomic.unlock() }
-        atomic.value += 1
-        return atomic.value
-    }
-
-    func AtomicDecrement(_ atomic: inout AtomicInt) -> Int32 {
-        atomic.lock(); defer { atomic.unlock() }
-        atomic.value -= 1
-        return atomic.value
-    }
-
-    func AtomicCompareAndSwap(_ l: Int32, _ r: Int32, _ atomic: inout AtomicInt) -> Bool {
-        atomic.lock(); defer { atomic.unlock() }
-        if atomic.value == l {
-            atomic.value = r
-            return true
-        }
-
-        return false
-    }
-
     extension Thread {
 
         static func setThreadLocalStorageValue<T: AnyObject>(_ value: T?, forKey key: String) {