man page fix: remove -e/--exec-drive=native related description
@@ -226,10 +226,8 @@ inside it)
# EXEC DRIVER OPTIONS
-Use the **--exec-opt** flags to specify options to the execution driver. The only
-runtime that accepts any options is Linux. As a
-result, you must also specify **-s=**native for this option to have effect. The
-following is the only *native* option:
+Use the **--exec-opt** flags to specify options to the execution driver.
+The following options are available:
#### native.cgroupdriver
Specifies the management of the container's `cgroups`. You can specify
