[sql] Drop sqlite3_* proxy hacks.

[sql] Drop sqlite3_* proxy hacks.

Now that sqlite is a shlib under component build, the hacks to proxy
functions are not necessary.

BUG=489444
TBR=michaeln@chromium.org

Committed: https://crrev.com/6ce9d1f07cc14b844aca059a5f7de3eb051cf37f
Cr-Commit-Position: refs/heads/master@{#346994}

[Scott Hess - ex-Googler, 2015-09-02 18:06:31]

The CQ bit was checked by shess@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2015-09-02 18:06:53]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1303423009/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1303423009/1

[commit-bot: I haz the power, 2015-09-02 19:02:51]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-09-02 19:02:52]

Dry run: This issue passed the CQ dry run.

[Scott Hess - ex-Googler, 2015-09-02 19:30:16]

shess@chromium.org changed reviewers:
+ michaeln@chromium.org

[Scott Hess - ex-Googler, 2015-09-02 19:30:21]

The CQ bit was checked by shess@chromium.org

[commit-bot: I haz the power, 2015-09-02 19:31:19]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1303423009/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1303423009/1

[Scott Hess - ex-Googler, 2015-09-02 19:31:22]

TBR'ing based on original LGTM from:
   https://codereview.chromium.org/1322463002/

This piece of the code was broken off the eventual landing of that CL because
sql/ changes prevented testing on blink bots.

[commit-bot: I haz the power, 2015-09-02 19:37:52]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-09-02 19:38:35]

Patchset 1 (id:??) landed as
https://crrev.com/6ce9d1f07cc14b844aca059a5f7de3eb051cf37f
Cr-Commit-Position: refs/heads/master@{#346994}