Simplify example Makefiles for 0.1.8 changes.

Examples/Echo/PackageManager/Package.swift

@@ -34,7 +34,7 @@ import PackageDescription
 let package = Package (
     name: "Echo",
     dependencies: [
-        .Package(url: "https://github.com/grpc/grpc-swift.git", Version(0,1,6)),
+        .Package(url: "https://github.com/grpc/grpc-swift.git", Version(0,1,8)),
         .Package(url: "https://github.com/apple/swift-protobuf.git", Version(0,9,24)),
     ]
 )

Examples/Simple/PackageManager/Makefile

@@ -1,14 +1,8 @@
 
-CFLAGS = \
--Xcc -DOPENSSL_NO_ASM \
--Xcc -IPackages/SwiftGRPC-0.1.7/Sources/BoringSSL/include \
--Xcc -IPackages/SwiftGRPC-0.1.7/Sources/CgRPC \
--Xcc -IPackages/SwiftGRPC-0.1.7/Sources/CgRPC/include
-
 LDFLAGS = -Xlinker -lz 
 
 all:
-	swift build -v $(CFLAGS) $(LDFLAGS)
+	swift build -v $(LDFLAGS)
 
 clean :
 	rm -rf Packages

Examples/Simple/PackageManager/Package.swift

@@ -34,6 +34,6 @@ import PackageDescription
 let package = Package (
     name: "Simple",
     dependencies: [
-        .Package(url: "https://github.com/grpc/grpc-swift.git", Version(0,1,7)),
+        .Package(url: "https://github.com/grpc/grpc-swift.git", Version(0,1,8)),
     ]
 )