RFR: 8263326: Remove ReceiverTypeData check from serviceability/sa/TestPrintMdo.java

[Chris Plummer]

See CR for a description of why this change is needed.

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

Commit messages:
 - Don't check for ReceiverTypeData in the printmdo output.

Changes: https://git.openjdk.java.net/jdk/pull/2905/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=2905&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8263326
  Stats: 2 lines in 1 file changed: 0 ins; 1 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/2905.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/2905/head:pull/2905

PR: https://git.openjdk.java.net/jdk/pull/2905