Temporarily turn off reflection metadata: SR-994

This is crashing while emitting metadata for Foundation:
temporarily turning this off while I investigate locally.

https://bugs.swift.org/browse/SR-994

Author: bitjammer

include/swift/AST/IRGenOptions.h

@@ -165,7 +165,7 @@ class IRGenOptions {
                    EmitStackPromotionChecks(false), GenerateProfile(false),
                    PrintInlineTree(false), EmbedMode(IRGenEmbedMode::None),
                    HasValueNamesSetting(false), ValueNames(false),
-                   StripReflectionNames(false), StripReflectionMetadata(false),
+                   StripReflectionNames(true), StripReflectionMetadata(true),
                    CmdArgs(), UseIncrementalLLVMCodeGen(true)
                    {}