[misk-wisp-dedup] Migrate usages of

wisp.security.ssl.KeystoreExtensions to misk

Note: None of the `build.gradle.kts` needed to be updated, as this isn't
the only usage of `wisp.security.ssl` in usage in all these
modules.
GitOrigin-RevId: 3df15c1b04127014b13c81e2fc09ef0ca6c06e98

Author: sw-square

misk-core/src/main/kotlin/misk/security/ssl/KeyStoreX509KeyManager.kt

@@ -1,8 +1,5 @@
 package misk.security.ssl
 
-import wisp.security.ssl.aliasesOfType
-import wisp.security.ssl.getPrivateKey
-import wisp.security.ssl.getX509CertificateChain
 import java.net.Socket
 import java.security.KeyStore
 import java.security.Principal