Remove unused find_msvs() function

Change-Id: I69bf918036744ad0e9fa6951cef284d1c616d793
diff --git a/configure.ac b/configure.ac
index 2b23cf9..85d2395 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3257,30 +3257,6 @@ vs_versions_to_check()
    fi
}

find_msvs()
{
    # Find Visual Studio 2013/2015
    # Args: $1 (optional) : versions to check, in the order of preference
    # Return value: $vstest

    unset vstest

    vs_versions_to_check "$1"

    for ver in $vsversions; do
        reg_get_value_32 HKEY_LOCAL_MACHINE/SOFTWARE/Microsoft/VisualStudio/$ver/Setup/VS/ProductDir
        if test -n "$regvalue"; then
            vstest=$regvalue
            break
        fi
        reg_get_value_32 HKEY_LOCAL_MACHINE/SOFTWARE/Microsoft/VCExpress/$ver/Setup/VS/ProductDir
        if test -n "$regvalue"; then
            vstest=$regvalue
            break
        fi
    done
}

win_get_env_from_vsvars32bat()
{
    WRAPPERBATCHFILEPATH="`mktemp -t wrpXXXXXX.bat`"