Set Swift language version only on project level, not for each target

Author: ole

SortedArray.xcodeproj/project.pbxproj

@@ -661,7 +661,6 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "com.olebegemann.SortedArray-iOS";
 				PRODUCT_NAME = SortedArray;
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 3.0;
 			};
 			name = Debug;
 		};
@@ -682,7 +681,6 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "com.olebegemann.SortedArray-iOS";
 				PRODUCT_NAME = SortedArray;
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 3.0;
 			};
 			name = Release;
 		};
@@ -694,7 +692,6 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "com.SortedArray.SortedArray-iOS-Tests";
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 3.0;
 			};
 			name = Debug;
 		};
@@ -706,7 +703,6 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "com.SortedArray.SortedArray-iOS-Tests";
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 3.0;
 			};
 			name = Release;
 		};
@@ -726,7 +722,6 @@
 				PRODUCT_NAME = SortedArray;
 				SDKROOT = watchos;
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 3.0;
 				TARGETED_DEVICE_FAMILY = 4;
 				WATCHOS_DEPLOYMENT_TARGET = 2.0;
 			};
@@ -748,7 +743,6 @@
 				PRODUCT_NAME = SortedArray;
 				SDKROOT = watchos;
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 3.0;
 				TARGETED_DEVICE_FAMILY = 4;
 				WATCHOS_DEPLOYMENT_TARGET = 2.0;
 			};
@@ -770,7 +764,6 @@
 				PRODUCT_NAME = SortedArray;
 				SDKROOT = appletvos;
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 3.0;
 				TARGETED_DEVICE_FAMILY = 3;
 				TVOS_DEPLOYMENT_TARGET = 9.0;
 			};
@@ -792,7 +785,6 @@
 				PRODUCT_NAME = SortedArray;
 				SDKROOT = appletvos;
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 3.0;
 				TARGETED_DEVICE_FAMILY = 3;
 				TVOS_DEPLOYMENT_TARGET = 9.0;
 			};
@@ -817,7 +809,6 @@
 				PRODUCT_NAME = SortedArray;
 				SDKROOT = macosx;
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 3.0;
 			};
 			name = Debug;
 		};
@@ -840,7 +831,6 @@
 				PRODUCT_NAME = SortedArray;
 				SDKROOT = macosx;
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 3.0;
 			};
 			name = Release;
 		};
@@ -855,7 +845,6 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "com.SortedArray.SortedArray-macOS-Tests";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = macosx;
-				SWIFT_VERSION = 3.0;
 			};
 			name = Debug;
 		};
@@ -870,7 +859,6 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "com.SortedArray.SortedArray-macOS-Tests";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = macosx;
-				SWIFT_VERSION = 3.0;
 			};
 			name = Release;
 		};
@@ -882,7 +870,6 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "com.SortedArray.SortedArray-tvOS-Tests";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = appletvos;
-				SWIFT_VERSION = 3.0;
 				TVOS_DEPLOYMENT_TARGET = 9.1;
 			};
 			name = Debug;
@@ -895,7 +882,6 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "com.SortedArray.SortedArray-tvOS-Tests";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = appletvos;
-				SWIFT_VERSION = 3.0;
 				TVOS_DEPLOYMENT_TARGET = 9.1;
 			};
 			name = Release;