Revert of IPC Fuzzer: Make ChannelMojo work when --enable-channel-mojo is givne

Revert of IPC Fuzzer: Make ChannelMojo work when --enable-channel-mojo is givne (patchset #1 id:1 of https://codereview.chromium.org/885143002/)

Reason for revert:
The flag was wrong. It needs finer configuration.

Original issue's description:
> IPC Fuzzer: Make ChannelMojo work when --enable-channel-mojo is given
>
> This adds an option to enable ChannelMojo on ipc_fuzzer.
>
> R=inferno@chormium.org, mbarbella@chromium.org
> BUG=453571
>
> Committed: https://crrev.com/9b1b6da70aab6c78bbecb5f86081ec5abc101f86
> Cr-Commit-Position: refs/heads/master@{#313840}

TBR=inferno@chormium.org,tsepez@chromium.org,mbarbella@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=453571
Committed: https://crrev.com/cbe227650a4e6945eb8dfe2d44702fc5413d83a9
Cr-Commit-Position: refs/heads/master@{#313953}

[Hajime Morrita, 2015-01-30 18:49:21]

Created Revert of IPC Fuzzer: Make ChannelMojo work when --enable-channel-mojo
is givne

[commit-bot: I haz the power, 2015-01-30 18:50:15]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/893603004/1

[commit-bot: I haz the power, 2015-01-30 18:51:12]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-01-30 18:52:16]

Patchset 1 (id:??) landed as
https://crrev.com/cbe227650a4e6945eb8dfe2d44702fc5413d83a9
Cr-Commit-Position: refs/heads/master@{#313953}