Remove Czlib from dependencies

Examples/EchoXcode/Echo.xcodeproj/project.pbxproj

@@ -16,7 +16,6 @@
 		D35C9FC81D74B0C1000443CD /* EchoViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D35C9FC71D74B0C1000443CD /* EchoViewController.swift */; };
 		D36AB73D1F58DF10007D7184 /* BoringSSL.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D36AB7281F58DEDB007D7184 /* BoringSSL.framework */; };
 		D36AB73E1F58DF10007D7184 /* CgRPC.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D36AB7261F58DEDB007D7184 /* CgRPC.framework */; };
-		D36AB73F1F58DF10007D7184 /* Czlib.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D36AB7241F58DEDB007D7184 /* Czlib.framework */; };
 		D36AB7401F58DF10007D7184 /* SwiftGRPC.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D36AB72A1F58DEDB007D7184 /* SwiftGRPC.framework */; };
 		D36AB7411F58DF10007D7184 /* SwiftProtobuf.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D36AB7341F58DEDB007D7184 /* SwiftProtobuf.framework */; };
 		D3971E211D89132E001A0B3F /* ssl.key in Resources */ = {isa = PBXBuildFile; fileRef = D3971E201D89132E001A0B3F /* ssl.key */; };
@@ -104,7 +103,6 @@
 			files = (
 				D36AB73D1F58DF10007D7184 /* BoringSSL.framework in Frameworks */,
 				D36AB73E1F58DF10007D7184 /* CgRPC.framework in Frameworks */,
-				D36AB73F1F58DF10007D7184 /* Czlib.framework in Frameworks */,
 				D36AB7401F58DF10007D7184 /* gRPC.framework in Frameworks */,
 				D36AB7411F58DF10007D7184 /* SwiftProtobuf.framework in Frameworks */,
 			);
@@ -173,7 +171,6 @@
 			isa = PBXGroup;
 			children = (
 				D36AB7221F58DEDB007D7184 /* zlib-example */,
-				D36AB7241F58DEDB007D7184 /* Czlib.framework */,
 				D36AB7261F58DEDB007D7184 /* CgRPC.framework */,
 				D36AB7281F58DEDB007D7184 /* BoringSSL.framework */,
 				D36AB72A1F58DEDB007D7184 /* gRPC.framework */,
@@ -342,10 +339,6 @@
 			name = SwiftProtobuf_macOS;
 			targetProxy = D315DEF71EE8B2C1007670CE /* PBXContainerItemProxy */;
 		};
-		D315DEFA1EE8B2C7007670CE /* PBXTargetDependency */ = {
-			isa = PBXTargetDependency;
-			name = Czlib;
-		};
 		D315DEFC1EE8B2C7007670CE /* PBXTargetDependency */ = {
 			isa = PBXTargetDependency;
 			name = CgRPC;
@@ -358,11 +351,6 @@
 			isa = PBXTargetDependency;
 			name = gRPC;
 		};
-		D36AB7361F58DF02007D7184 /* PBXTargetDependency */ = {
-			isa = PBXTargetDependency;
-			name = Czlib;
-			targetProxy = D36AB7351F58DF02007D7184 /* PBXContainerItemProxy */;
-		};
 		D36AB7381F58DF02007D7184 /* PBXTargetDependency */ = {
 			isa = PBXTargetDependency;
 			name = CgRPC;