[clang][Interp][NFC] Remove unused include

Author: tbaederr

clang/lib/AST/Interp/ByteCodeExprGen.cpp

@@ -15,7 +15,6 @@
 #include "Function.h"
 #include "PrimType.h"
 #include "Program.h"
-#include "State.h"
 
 using namespace clang;
 using namespace clang::interp;