Remove stopThread RuntimePermission from the default java.policy

diff --git a/src/java.base/share/conf/security/java.policy b/src/java.base/share/conf/security/java.policy
--- a/src/java.base/share/conf/security/java.policy
+++ b/src/java.base/share/conf/security/java.policy
@@ -94,17 +94,6 @@
 // default permissions granted to all domains
 
 grant {
- // Allows any thread to stop itself using the java.lang.Thread.stop()
- // method that takes no argument.
- // Note that this permission is granted by default only to remain
- // backwards compatible.
- // It is strongly recommended that you either remove this permission
- // from this policy file or further restrict it to code sources
- // that you specify, because Thread.stop() is potentially unsafe.
- // See the API specification of java.lang.Thread.stop() for more
- // information.
- permission java.lang.RuntimePermission "stopThread";
-