RFR: 8197842: Remove unused macros VM_STRUCTS_EXT and VM_TYPES_EXT

[Erik Helin]

On 02/28/2018 05:55 PM, Lois Foltan wrote:
> Looks good.

Thanks for reviewing Lois!
Erik

> Lois
> 
> On 2/28/2018 10:49 AM, Erik Helin wrote:
>> Hi all,
>>
>> this patch removes the unused extension marcos VM_STRUCTS_EXT and 
>> VM_TYPES_EXT. Since these macros are the only content of 
>> vmStructs_ext.hpp, this patch also removes the file vmStructs_ext.hpp.
>>
>> Issue:
>> https://bugs.openjdk.java.net/browse/JDK-8197842
>>
>> Webrev:
>> http://cr.openjdk.java.net/~ehelin/8197842/00/
>>
>> Testing:
>> - `make run-test-tier1` on Linux x86-64
>>
>> Thanks,
>> Erik
>