Revert "Set deployment target constraints for margins"

This reverts commit 7528f5be.

# Conflicts:
#	Examples/Masonry iOS Examples.xcodeproj/xcshareddata/xcschemes/Masonry iOS Examples.xcscheme
#	Masonry.xcodeproj/project.pbxproj
#	Masonry.xcodeproj/xcshareddata/xcschemes/Masonry OSX.xcscheme
#	Masonry.xcodeproj/xcshareddata/xcschemes/Masonry iOS.xcscheme
#	Tests/Masonry Tests.xcodeproj/xcshareddata/xcschemes/Masonry iOS Tests.xcscheme

@@ -141,7 +141,7 @@
 
 #endif
 
-#if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000)
+#if TARGET_OS_IPHONE || TARGET_OS_TV
 
 - (MASConstraint *)leftMargin;
 - (MASConstraint *)rightMargin;

@@ -226,7 +226,7 @@
 
 #endif
 
-#if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000)
+#if TARGET_OS_IPHONE || TARGET_OS_TV
 
 - (MASConstraint *)leftMargin {
     return [self addConstraintWithLayoutAttribute:NSLayoutAttributeLeftMargin];

@@ -29,7 +29,7 @@ typedef NS_OPTIONS(NSInteger, MASAttribute) {
     
 #endif
     
-#if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000)
+#if TARGET_OS_IPHONE || TARGET_OS_TV
     
     MASAttributeLeftMargin = 1 << NSLayoutAttributeLeftMargin,
     MASAttributeRightMargin = 1 << NSLayoutAttributeRightMargin,
@@ -74,7 +74,7 @@ typedef NS_OPTIONS(NSInteger, MASAttribute) {
 
 #endif
 
-#if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000)
+#if TARGET_OS_IPHONE || TARGET_OS_TV
 
 @property (nonatomic, strong, readonly) MASConstraint *leftMargin;
 @property (nonatomic, strong, readonly) MASConstraint *rightMargin;

@@ -81,7 +81,7 @@
 #if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000) || (__MAC_OS_X_VERSION_MIN_REQUIRED >= 101100)
                                           | MASAttributeFirstBaseline | MASAttributeLastBaseline
 #endif
-#if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000)
+#if TARGET_OS_IPHONE || TARGET_OS_TV
                                           | MASAttributeLeftMargin | MASAttributeRightMargin | MASAttributeTopMargin | MASAttributeBottomMargin
                                           | MASAttributeLeadingMargin | MASAttributeTrailingMargin | MASAttributeCenterXWithinMargins
                                           | MASAttributeCenterYWithinMargins
@@ -111,7 +111,7 @@
     
 #endif
     
-#if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000)
+#if TARGET_OS_IPHONE || TARGET_OS_TV
     
     if (attrs & MASAttributeLeftMargin) [attributes addObject:self.view.mas_leftMargin];
     if (attrs & MASAttributeRightMargin) [attributes addObject:self.view.mas_rightMargin];
@@ -205,7 +205,7 @@
 #endif
 
 
-#if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000)
+#if TARGET_OS_IPHONE || TARGET_OS_TV
 
 - (MASConstraint *)leftMargin {
     return [self addConstraintWithLayoutAttribute:NSLayoutAttributeLeftMargin];

@@ -49,7 +49,7 @@
             @(NSLayoutAttributeLastBaseline) : @"lastBaseline",
 #endif
             
-#if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000)
+#if TARGET_OS_IPHONE || TARGET_OS_TV
             @(NSLayoutAttributeLeftMargin)           : @"leftMargin",
             @(NSLayoutAttributeRightMargin)          : @"rightMargin",
             @(NSLayoutAttributeTopMargin)            : @"topMargin",

@@ -39,7 +39,7 @@
 
 #endif
 
-#if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000)
+#if TARGET_OS_IPHONE || TARGET_OS_TV
 
 @property (nonatomic, strong, readonly) MASViewAttribute *mas_leftMargin;
 @property (nonatomic, strong, readonly) MASViewAttribute *mas_rightMargin;

@@ -98,7 +98,7 @@
 
 #endif
 
-#if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000)
+#if TARGET_OS_IPHONE || TARGET_OS_TV
 
 - (MASViewAttribute *)mas_leftMargin {
     return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeLeftMargin];

@@ -36,7 +36,7 @@
 
 #endif
 
-#if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000)
+#if TARGET_OS_IPHONE || TARGET_OS_TV
 
 @property (nonatomic, strong, readonly) MASViewAttribute *leftMargin;
 @property (nonatomic, strong, readonly) MASViewAttribute *rightMargin;
@@ -90,7 +90,7 @@ MAS_ATTR_FORWARD(lastBaseline);
 
 #endif
 
-#if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000)
+#if TARGET_OS_IPHONE || TARGET_OS_TV
 
 MAS_ATTR_FORWARD(leftMargin);
 MAS_ATTR_FORWARD(rightMargin);