Once JDK-8342461 is done, remove all remaining calls to terminally deprecated security manager APIs from the android and ios code of the javafx.web module.
SeeJDK-8342997, JDK-8342998, and JDK-8342993 for what was done in the rest of JavaFX.
As part of this, remove the unused imports and the unneeded `@SuppressWarnings("removal")` annotations.
See
As part of this, remove the unused imports and the unneeded `@SuppressWarnings("removal")` annotations.
- is blocked by
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                    JDK-8342461 Remove calls to doPrivileged in javafx.web/{android,ios} -           
- Resolved
 
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                    JDK-8341090 Remove support for security manager from JavaFX -           
- Resolved
 
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- relates to
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                    JDK-8342993 Remove uses of AccessController and AccessControlContext from JavaFX -           
- Resolved
 
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- 
                    JDK-8342997 Remove use of System::getSecurityManager and SecurityManager from JavaFX -           
- Resolved
 
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- 
                    JDK-8342998 Remove all uses of AccessControlException -           
- Resolved
 
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 P4
  P4