[GR-32780] Fixed signature tests.

Author: tzezula

truffle/src/com.oracle.truffle.api/snapshot.sigtest

@@ -600,8 +600,6 @@ meth public abstract !hasdefault java.lang.String version()
 meth public abstract !hasdefault java.lang.String[] byteMimeTypes()
 meth public abstract !hasdefault java.lang.String[] characterMimeTypes()
 meth public abstract !hasdefault java.lang.String[] dependentLanguages()
-meth public abstract !hasdefault java.lang.String[] mimeType()
- anno 0 java.lang.Deprecated()
 meth public abstract java.lang.String name()
 
 CLSS public final com.oracle.truffle.api.TruffleLogger