RFR: 8266412: Remove redundant TemplateInterpreter entries

[Claes Redestad]

This patch trivially removes two redundant entry point generation calls that I accidentally forgot to remove after a refactoring in https://bugs.openjdk.java.net/browse/JDK-8255271 

A very slim improvement (~70k fewer instructions executed on bootstrap), but still..

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Commit messages:
 - Remove left-over itos entries

Changes: https://git.openjdk.java.net/jdk/pull/3833/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=3833&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8266412
  Stats: 2 lines in 1 file changed: 0 ins; 2 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3833.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3833/head:pull/3833

PR: https://git.openjdk.java.net/jdk/pull/3833