8282943: Unused weird key in compiler.properties

Reviewed-by: vromero

src/jdk.compiler/share/classes/com/sun/tools/javac/resources/compiler.properties

@@ -1565,9 +1565,6 @@ compiler.misc.diamond.anonymous.methods.implicitly.override=\
 compiler.misc.source.unavailable=\
     (source unavailable)
 
-compiler.misc.base.membership=\
-    all your base class are belong to us
-
 # 0: string, 1: string, 2: boolean
 compiler.misc.x.print.processor.info=\
     Processor {0} matches {1} and returns {2}.

test/langtools/tools/javac/diags/examples.not-yet.txt

@@ -57,7 +57,6 @@ compiler.misc.bad.runtime.invisible.param.annotations   # bad class file
 compiler.misc.bad.signature                             # bad class file
 compiler.misc.bad.requires.flag                         # bad class file
 compiler.misc.bad.type.annotation.value
-compiler.misc.base.membership                           # UNUSED
 compiler.misc.class.file.not.found                      # ClassReader
 compiler.misc.class.file.wrong.class
 compiler.misc.exception.message                         # uncommon completion failure based on a string