Remove note about raw-dylib being unstable on x86 Windows

Author: dpaoliello

src/items/external-blocks.md

@@ -231,9 +231,8 @@ resolution logic to find that import library. Alternatively, specifying
 `kind = "raw-dylib"` instructs the compiler to generate an import library
 during compilation and provide that to the linker instead.
 
-`raw-dylib` is only supported on Windows and not supported on 32-bit x86
-(`target_arch="x86"`). Using it when targeting other platforms or
-x86 on Windows will result in a compiler error.
+`raw-dylib` is only supported on Windows. Using it when targeting other
+platforms will result in a compiler error.
 
 ### The `link_name` attribute