RFR: JDK-8243168 Remove addition preview adornment from String::stripIndent and String::translateEscapes

[Jim Laskey]

Cleaning up the JavaDoc.

webrev: http://cr.openjdk.java.net/~jlaskey/8243168/webrev-00 
<http://cr.openjdk.java.net/~jlaskey/8243168/webrev-00>
jbs: https://bugs.openjdk.java.net/browse/JDK-8243168 
<https://bugs.openjdk.java.net/browse/JDK-8243168>
csr: https://bugs.openjdk.java.net/browse/JDK-8243169 
<https://bugs.openjdk.java.net/browse/JDK-8243169>