Update init.g2.rc

I forgot this line with this commit 595b2404220bcddc29314fd7ae59c6057da97812

Change-Id: I57fbfa560dd74f9df64a519e0f29892a1e97da89
g2: enable noise surpression

Change-Id: If908c8719c6e2b38a7929f7606b38c0beace1f3e
Signed-off-by: houst0nn <houstonn@gmail.com>