8007504: Remove @ignore from tests that no longer need it

Reviewed-by: mcimadamore

langtools/test/tools/javac/api/T6306137.java

@@ -26,9 +26,6 @@
  * @bug     6306137
  * @summary JSR 199: encoding option doesn't affect standard file manager
  * @author  Peter von der Ahé
- * @ignore
- *    Need to make the contentCache in JavacFileManager be aware of changes to the encoding.
- *    Need to propogate -source (and -encoding?) down to the JavacFileManager
  */
 
 import java.io.File;

langtools/test/tools/javac/defaultMethods/TestNoBridgeOnDefaults.java

@@ -23,7 +23,6 @@
 
 /*
  * @test
- * @ignore awaits for VM support
  * @summary  check that javac does not generate bridge methods for defaults
  */
 

langtools/test/tools/javac/lambda/LambdaCapture06.java

@@ -23,7 +23,6 @@
 
 /*
  * @test
- * @ignore investigate as to whether code generation fails
  * @bug 8003280
  * @summary Add lambda tests
  *  Compiler crash when local inner class nested inside lambda captures local variables from enclosing scope

langtools/test/tools/javac/lambda/LambdaExpr15.java

@@ -23,7 +23,6 @@
 
 /*
  * @test
- * @ignore investigate as to whether code generation fails
  * @bug 8003280
  * @summary Add lambda tests
  *  check that nested inner class in statement lambdas don't get corrupted return statements