README: drop x86 redist for Windows
README: drop x86 redist for Windows

We only support 64-bit, so only the x64 version is needed.

fusetools/fuselibs-public,fusetools/fuselibs-public,fusetools/fuselibs-public,fusetools/fuselibs-public,fusetools/fuselibs-public,fusetools/fuselibs-public,fusetools/fuselibs-public