RFR: 8214785: Remove unused WeakHandleType::vm_string

[Erik Österlund]

Hi Per,

Looks good.

Thanks,
/Erik

On 2018-12-04 14:03, Per Liden wrote:
> The enum WeakHandleType::vm_string is never used and can be removed. The 
> StringTable uses WeakHandleType::vm_string_table_data.
> 
> Bug: https://bugs.openjdk.java.net/browse/JDK-8214785
> Webrev: http://cr.openjdk.java.net/~pliden/8214785/webrev.0
> 
> /Per