Remove the relocations section from the image.

This section was unused since
    https://android-review.googlesource.com/771001 .

This partially reverts commits
    6121aa69098e3496cf1a81bf3e5e7ae70f66eacb
    ca8de0a70eab62707f3c71a211093f340fdcd5f4
and cleans up.

Prebuilt sizes for aosp_taimen-userdebug:
  - before:
    arm/boot*.art: 14951820
    arm64/boot*.art: 19398428
    oat/arm64/services.art: 526138
  - after:
    arm/boot*.art: 14503936 (-437KiB)
    arm64/boot*.art: 18817024 (-568KiB)
    oat/arm64/services.art: 499712 (-26KiB)

Test: m test-art-host-gtest
Test: testrunner.py --host --optimizing
Test: Pixel 2 XL boots.
Test: m test-art-target-gtest
Test: testrunner.py --target --optimizing
Bug: 77856493
Change-Id: Ib44cd00cf3944e93e2d61ca8df381993cfeff130
6 files changed