Remove signing identity from OSX target

Author: srdanrasic

ReactiveKit.xcodeproj/project.pbxproj

@@ -867,7 +867,6 @@
 		16C33B2A1BEFBA0100A0DBE0 /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				CODE_SIGN_IDENTITY = "-";
 				COMBINE_HIDPI_IMAGES = YES;
 				DEFINES_MODULE = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;
@@ -887,7 +886,6 @@
 		16C33B2B1BEFBA0100A0DBE0 /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				CODE_SIGN_IDENTITY = "-";
 				COMBINE_HIDPI_IMAGES = YES;
 				DEFINES_MODULE = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;