Revert of Font variations.

Revert of Font variations. (patchset #26 id:500001 of https://codereview.chromium.org/1027373002/)

Reason for revert:
Appears to be breaking  Linux ARM bots:

FAILED:
/usr/local/google/home/mosaic-role/slave/repo_clients/chromium_tot/chromium/src/../../prebuilt/toolchain/armv7a/bin/armv7a-cros-linux-gnueabi-g++
... -o obj/third_party/skia/src/ports/skia_library.SkFontHost_FreeType.o
../../third_party/skia/src/ports/SkFontHost_FreeType.cpp:37:31: fatal error:
freetype/ftmm.h: No such file or directory
 #include FT_MULTIPLE_MASTERS_H
                               ^
compilation terminated.


Original issue's description:
> Font variations.
> 
> Multiple Master and TrueType fonts support variation axes.
> This implements back-end support for axes on platforms which
> support it.
> 
> Committed: https://skia.googlesource.com/skia/+/05773ed30920c0214d1433c07cf6360a05476c97
> 
> Committed: https://skia.googlesource.com/skia/+/3489ee0f4fa34f124f9de090d12bdc2107d52aa9

TBR=reed@google.com,mtklein@google.com,djsollen@google.com,halcanary@google.com,bungeman@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Committed: https://skia.googlesource.com/skia/+/465706820d0d373f76ab4831c286115ee0d86b7a

[robertphillips, 2015-05-15 18:29:52]

Created Revert of Font variations.

[commit-bot: I haz the power, 2015-05-15 18:30:14]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1139123008/1

[commit-bot: I haz the power, 2015-05-15 18:30:48]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/465706820d0d373f76ab4831c286115ee0d86b7a