Remove unnecessary includes that are not needed.

cmd/zerotier/cli/help.go

@@ -58,6 +58,7 @@ Common Operations:
 ·   set [option] [value]                  Get or set network options
 ·     manageips <boolean>                 Is IP management allowed?
 ·     manageroutes <boolean>              Is route management allowed?
+·     managedns <boolean>                 Allow network to push DNS config
 ·     globalips <boolean>                 Allow assignment of global IPs?
 ·     globalroutes <boolean>              Can global IP space routes be set?
 ·     defaultroute <boolean>              Can default route be overridden?

core/OS.hpp

@@ -111,8 +111,6 @@
 #include <xmmintrin.h>
 #include <emmintrin.h>
 #include <immintrin.h>
-#include <tmmintrin.h>
-#include <mmintrin.h>
 #endif
 
 #if defined(ZT_ARCH_X64) || defined(i386) || defined(__i386) || defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) || defined(_M_IX86) || defined(__X86__) || defined(_X86_) || defined(__I86__) || defined(__INTEL__) || defined(__386)