[WiX] Remove an outdated educational note.

Author: hborla

platforms/Windows/bld/bld.wxs

@@ -273,9 +273,6 @@
     </ComponentGroup>
 
     <ComponentGroup Id="SwiftEducationalNotes" Directory="_usr_share_doc_swift_diagnostics">
-      <Component>
-        <File Source="$(TOOLCHAIN_ROOT)\usr\share\doc\swift\diagnostics\complex-closure-inference.md" />
-      </Component>
       <Component>
         <File Source="$(TOOLCHAIN_ROOT)\usr\share\doc\swift\diagnostics\dynamic-callable-requirements.md" />
       </Component>