Remove Microsoft STL-specific sysincls which are not longer present in Microsoft STL

This list is checked against
https://github.com/microsoft/STL/tree/main/stl/inc

build/sysincl/unsorted.yml

@@ -701,17 +701,12 @@
   - dvec.h
   - setjmpex.h
   - srv.h
-  - typeinfo.h
-  - xcomplex
-  - xdebug
   - xhash
   - xiosbase
-  - xkeycheck.h
   - xlocale
   - xlocinfo
   - xlocnum
   - xmemory
-  - xmemory0
   - xstring
   - xtr1common
   - xtree