[OpenJDK 2D-Dev] RFR: 8263363: Minor cleanup of Lanai code - unused code removal and comments correction [v5]

[Ajit Ghaisas]

> Refer JBS for 3 issues that this PR addresses.
> In addition, I have corrected an erroneous free() call in the same method I was cleaning up.

Ajit Ghaisas has updated the pull request incrementally with one additional commit since the last revision:

  cleanup unused import

-------------

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/3357/files
  - new: https://git.openjdk.java.net/jdk/pull/3357/files/746d791d..1cf7d1c2

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=3357&range=04
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=3357&range=03-04

  Stats: 1 line in 1 file changed: 0 ins; 1 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3357.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3357/head:pull/3357

PR: https://git.openjdk.java.net/jdk/pull/3357