AIDEGen: Remove metrics v1 version.

Bug: 137596880
Test: 1. m aidegen
      2. aidegen-dev tradefed -s -v
      3. aidegen-dev nothing -s -v
      4. Check the message "LogRequest successfully sent to Clearcut"
         exists in both steps 2 and 3.

Change-Id: I61363a92fb030ec438bb576219f780f76c362ab3
Merged-In: I645c6426c4361b74b39942c0532d7614410d8575
(cherry picked from commit fa85fb30d67335c075274f13da87e8610238b388)
6 files changed