RFR: JDK-8290901: Reduce use of -source in langtools tests [v2]

[Joe Darcy]

On Thu, 28 Jul 2022 22:11:28 GMT, Jonathan Gibbons <jjg at openjdk.org> wrote:

>> Joe Darcy has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Update copyrights.
>
> test/langtools/tools/javac/generics/7015430/T7015430.java line 7:
> 
>> 5:  * @summary  Incorrect thrown type determined for unchecked invocations
>> 6:  * @author Daniel Smith
>> 7:  * @compile/fail/ref=T7015430_1.out --release 7 -Xlint:-options,unchecked -XDrawDiagnostics T7015430.java
> 
> You may be able to remove `-options` from `-Xlint` -- the value is probably there to suppress the warnings that you have deleted elsewhere

There are warnings for using "--release 7" because of the age of 7, but otherwise I've updated the PR to remove unneeded uses of -Xlint:-options.

-------------

PR: https://git.openjdk.org/jdk/pull/9622