Remove deprecated methods

FoldingCell.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = 'FoldingCell'
-  s.version      = '2.0.3'
+  s.version      = '2.0.4'
   s.summary      = 'UITableViewCell with folding animation.'
   s.homepage     = 'https://github.com/Ramotion/folding-cell'
   s.license      = 'MIT'

FoldingCell/FoldingCell/FoldingCell/FoldingCell.swift

@@ -336,7 +336,7 @@ open class FoldingCell: UITableViewCell {
     var delay: TimeInterval = 0
     var timing                = kCAMediaTimingFunctionEaseIn
     var from: CGFloat         = 0.0;
-    var to: CGFloat           = CGFloat(-M_PI / 2)
+    var to: CGFloat           = -CGFloat.pi / 2
     var hidden                = true
     configureAnimationItems(.open)
     
@@ -349,9 +349,9 @@ open class FoldingCell: UITableViewCell {
       
       animatedView.foldingAnimation(timing, from: from, to: to, duration: durations[index], delay: delay, hidden: hidden)
       
-      from   = from == 0.0 ? CGFloat(M_PI / 2) : 0.0;
-      to     = to == 0.0 ? CGFloat(-M_PI / 2) : 0.0;
-      timing = timing == kCAMediaTimingFunctionEaseIn ? kCAMediaTimingFunctionEaseOut : kCAMediaTimingFunctionEaseIn;
+      from   = from == 0.0 ? CGFloat.pi / 2 : 0.0
+      to     = to == 0.0 ? -CGFloat.pi / 2 : 0.0
+      timing = timing == kCAMediaTimingFunctionEaseIn ? kCAMediaTimingFunctionEaseOut : kCAMediaTimingFunctionEaseIn
       hidden = !hidden
       delay += durations[index]
     }
@@ -387,7 +387,7 @@ open class FoldingCell: UITableViewCell {
     var delay: TimeInterval = 0
     var timing                = kCAMediaTimingFunctionEaseIn
     var from: CGFloat         = 0.0;
-    var to: CGFloat           = CGFloat(M_PI / 2)
+    var to: CGFloat           = CGFloat.pi / 2
     var hidden                = true
     configureAnimationItems(.close)
     
@@ -399,9 +399,9 @@ open class FoldingCell: UITableViewCell {
       
       animatedView.foldingAnimation(timing, from: from, to: to, duration: durations[index], delay: delay, hidden: hidden)
       
-      to     = to == 0.0 ? CGFloat(M_PI / 2) : 0.0;
-      from   = from == 0.0 ? CGFloat(-M_PI / 2) : 0.0;
-      timing = timing == kCAMediaTimingFunctionEaseIn ? kCAMediaTimingFunctionEaseOut : kCAMediaTimingFunctionEaseIn;
+      to     = to == 0.0 ? CGFloat.pi / 2 : 0.0
+      from   = from == 0.0 ? -CGFloat.pi / 2 : 0.0
+      timing = timing == kCAMediaTimingFunctionEaseIn ? kCAMediaTimingFunctionEaseOut : kCAMediaTimingFunctionEaseIn
       hidden = !hidden
       delay += durations[index]
     }