Remove old prefix header from test target.

Author: calebd

CMDQueryStringSerialization.xcodeproj/project.pbxproj

@@ -421,8 +421,6 @@
 					"$(inherited)",
 					"$(DEVELOPER_FRAMEWORKS_DIR)",
 				);
-				GCC_PRECOMPILE_PREFIX_HEADER = YES;
-				GCC_PREFIX_HEADER = "CMDQueryStringSerialization/CMDQueryStringSerialization-Prefix.pch";
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					"DEBUG=1",
 					"$(inherited)",
@@ -441,8 +439,6 @@
 					"$(inherited)",
 					"$(DEVELOPER_FRAMEWORKS_DIR)",
 				);
-				GCC_PRECOMPILE_PREFIX_HEADER = YES;
-				GCC_PREFIX_HEADER = "CMDQueryStringSerialization/CMDQueryStringSerialization-Prefix.pch";
 				INFOPLIST_FILE = "CMDQueryStringSerializationTests/CMDQueryStringSerializationTests-Info.plist";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				WRAPPER_EXTENSION = xctest;