<i18n dev> RFR: 8189198: Add "forRemoval = true" to Applet API deprecations

[Andy Herrick]

implementation of
JDK-8256145: JEP 398: Deprecate the Applet API for Removal

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Commit messages:
 - 8189198: Add "forRemoval = true" to Applet API deprecations

Changes: https://git.openjdk.java.net/jdk/pull/2920/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=2920&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8189198
  Stats: 74 lines in 22 files changed: 14 ins; 0 del; 60 mod
  Patch: https://git.openjdk.java.net/jdk/pull/2920.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/2920/head:pull/2920

PR: https://git.openjdk.java.net/jdk/pull/2920