Remove bouncy castle shaded module to avoid bring error of verifySingleJar (#7453)
### Motivation
shade bouncy castle will cause some signature errors, this PR tries to remove the bouncy castle shaded module.
Here is the related error stack:
```
10:01:34.257 [pulsar-client-io-33-1] ERROR org.apache.pulsar.client.impl.ConsumerImpl - MessageCryptoBc may not included in the jar. e:
java.lang.SecurityException: JCE cannot authenticate the provider BC
at javax.crypto.Cipher.getInstance(Cipher.java:657) ~[?:1.8.0_121]
at javax.crypto.Cipher.getInstance(Cipher.java:596) ~[?:1.8.0_121]
at org.apache.pulsar.client.impl.crypto.MessageCryptoBc.<init>(MessageCryptoBc.java:147) ~[classes/:?]
at org.apache.pulsar.client.impl.ConsumerImpl.<init>(ConsumerImpl.java:270) ~[classes/:?]
at org.apache.pulsar.client.impl.ConsumerImpl.newConsumerImpl(ConsumerImpl.java:209) ~[classes/:?]
at org.apache.pulsar.client.impl.PulsarClientImpl.lambda$doSingleTopicSubscribeAsync$5(PulsarClientImpl.java:364) ~[classes/:?]
at java.util.concurrent.CompletableFuture.uniAccept(CompletableFuture.java:656) ~[?:1.8.0_131]
at java.util.concurrent.CompletableFuture$UniAccept.tryFire(CompletableFuture.java:632) ~[?:1.8.0_131]
...
Caused by: java.util.jar.JarException: file:/Users/jia/.m2/repository/org/apache/pulsar/bouncy-castle-bc-shaded/2.7.0-SNAPSHOT/bouncy-castle-bc-shaded-2.7.0-SNAPSHOT.jar has unsigned entries - org/bouncycastle/cert/AttributeCertificateHolder.class
at javax.crypto.JarVerifier.verifySingleJar(JarVerifier.java:500) ~[?:1.8.0_121]
at javax.crypto.JarVerifier.verifyJars(JarVerifier.java:361) ~[?:1.8.0_121]
at javax.crypto.JarVerifier.verify(JarVerifier.java:289) ~[?:1.8.0_121]
at javax.crypto.JceSecurity.verifyProviderJar(JceSecurity.java:159) ~[?:1.8.0_121]
at javax.crypto.JceSecurity.getVerificationResult(JceSecurity.java:185) ~[?:1.8.0_121]
at javax.crypto.Cipher.getInstance(Cipher.java:653) ~[?:1.8.0_121]
```
### Modifications
- Remove bouncy castle shaded module, avoid package bouncy castle into a dependency jar.
- enhance test case to identify this error.
### Verifying this change
ut passed.
* remove dep of bc-shaded from other module
* remove bc-shaded module
* enhance testECDSAEncryption and testRSAEncryption to cover error case
* fix license check
* remove bc-shaded module
* build a jar in jar to avoid break bc signature
* use new bc dependency by classifier in maven
* build pulsar-all docker image instead of pull from dockerhub in integration tests
* remove nar
* fix licence, fix error brings in #7640
* add bc when broker/client is referenced in pom
* add missing bc reference in pom
* change ci back to not build docker image
5 files changed
