Integrated: 8252798: Cleanup LCD text rendering code

[Jayathirth D V]

There is lot of unused code and constructs in LCD text rendering. This is a cleanup task.

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Commit messages:
 - 8252798: Cleanup LCD text rendering code

Changes: https://git.openjdk.java.net/lanai/pull/89/files
 Webrev: https://webrevs.openjdk.java.net/?repo=lanai&pr=89&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8252798
  Stats: 165 lines in 3 files changed: 0 ins; 158 del; 7 mod
  Patch: https://git.openjdk.java.net/lanai/pull/89.diff
  Fetch: git fetch https://git.openjdk.java.net/lanai pull/89/head:pull/89

PR: https://git.openjdk.java.net/lanai/pull/89