Revert of Add vulkan files into skia repo.

Revert of Add vulkan files into skia repo. (patchset #2 id:20001 of https://codereview.chromium.org/1718693002/ )

Reason for revert:
breaking builds

Original issue's description:
> Add vulkan files into skia repo. This is an incomplete backend with only partial functionality at this time.
> 
> R=robertphillips@google.com
> TBR=bsalomon@google.com
> 
> BUG=skia:4955
> GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1718693002
> 
> Committed: https://skia.googlesource.com/skia/+/48cf268defad66f58f1aa03b4835e5583be96b2f

TBR=robertphillips@google.com,bsalomon@google.com,jvanverth@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:4955
Committed: https://skia.googlesource.com/skia/+/ad3a13c4c34d300882b8f9a5fdb98ad34a9df55b

[egdaniel, 2016-02-22 14:17:20]

Created Revert of Add vulkan files into skia repo.

[commit-bot: I haz the power, 2016-02-22 14:17:29]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1723503002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1723503002/1

[commit-bot: I haz the power, 2016-02-22 14:17:55]

Description was changed from

==========
Revert of Add vulkan files into skia repo. (patchset #2 id:20001 of
https://codereview.chromium.org/1718693002/ )

Reason for revert:
breaking builds

Original issue's description:
> Add vulkan files into skia repo. This is an incomplete backend with only
partial functionality at this time.
> 
> R=robertphillips@google.com
> TBR=bsalomon@google.com
> 
> BUG=skia:4955
> GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
> 
> Committed:
https://skia.googlesource.com/skia/+/48cf268defad66f58f1aa03b4835e5583be96b2f

TBR=robertphillips@google.com,bsalomon@google.com,jvanverth@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:4955
==========

to

==========
Revert of Add vulkan files into skia repo. (patchset #2 id:20001 of
https://codereview.chromium.org/1718693002/ )

Reason for revert:
breaking builds

Original issue's description:
> Add vulkan files into skia repo. This is an incomplete backend with only
partial functionality at this time.
> 
> R=robertphillips@google.com
> TBR=bsalomon@google.com
> 
> BUG=skia:4955
> GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
> 
> Committed:
https://skia.googlesource.com/skia/+/48cf268defad66f58f1aa03b4835e5583be96b2f

TBR=robertphillips@google.com,bsalomon@google.com,jvanverth@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:4955

Committed:
https://skia.googlesource.com/skia/+/ad3a13c4c34d300882b8f9a5fdb98ad34a9df55b
==========

[commit-bot: I haz the power, 2016-02-22 14:17:57]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/ad3a13c4c34d300882b8f9a5fdb98ad34a9df55b