[jdk11u-dev] RFR: 8224729: Cleanups in sun/security/provider/certpath/ldap/LDAPCertStoreImpl.java

[Goetz Lindenmaier]

I backport this as then 8297955 can be backported clean.

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Commit messages:
 - Backport 64462e484f038bc564bfba745a06771668b83d5c

Changes: https://git.openjdk.org/jdk11u-dev/pull/1972/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1972&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8224729
  Stats: 15 lines in 1 file changed: 1 ins; 7 del; 7 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/1972.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/1972/head:pull/1972

PR: https://git.openjdk.org/jdk11u-dev/pull/1972