Revert of GN build rules for four audio processing test executables (patchset #3 id:40001 of https://codereview.webrtc.org/2267403003/ )
Revert of GN build rules for four audio processing test executables (patchset #3 id:40001 of https://codereview.webrtc.org/2267403003/ )

Reason for revert:
Breaks most of chromium.webrtc.fyi bots.

Original issue's description:
> GN build rules for four audio processing test executables
>
> click_annotate, intelligibility_proc, nonlinear_beamformer_test, and
> transient_suppression_test.
>
> BUG=webrtc:5949
>
> Committed: https://crrev.com/538b5606a3fb6310aab7a7e747aee16eac885f02
> Cr-Commit-Position: refs/heads/master@{#13890}

TBR=kjellander@webrtc.org,kwiberg@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:5949

Review-Url: https://codereview.webrtc.org/2274813004
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#13891}

ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,TimothyGu/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc