Apply suggestions from code review

Co-authored-by: Anders Schack-Mulligen <[email protected]>

Author: atorralba

java/ql/src/semmle/code/java/security/JWT.qll

@@ -1,7 +1,6 @@
 /** Provides classes for working with JSON Web Token (JWT) libraries. */
 
 import java
-private import semmle.code.java.dataflow.ExternalFlow
 private import semmle.code.java.dataflow.DataFlow
 
 /** A method access that assigns signing keys to a JWT parser. */

java/ql/src/semmle/code/java/security/MissingJWTSignatureCheckQuery.qll

@@ -5,7 +5,7 @@ import semmle.code.java.dataflow.DataFlow
 import semmle.code.java.security.JWT
 
 /**
- * Models flow from signing keys assignements to qualifiers of JWT insecure parsers.
+ * Models flow from signing keys assignments to qualifiers of JWT insecure parsers.
  * This is used to determine whether a `JwtParser` performing unsafe parsing has a signing key set.
  */
 class MissingJwtSignatureCheckConf extends DataFlow::Configuration {