Remove library annotations

java/ql/lib/semmle/code/java/deadcode/DeadCode.qll

@@ -140,7 +140,7 @@ class NamespaceClass extends RefType {
  * This represents the set of classes and interfaces for which we will determine liveness. Each
  * `SourceClassOrInterfacce` will either be a `LiveClass` or `DeadClass`.
  */
-library class SourceClassOrInterface extends ClassOrInterface {
+class SourceClassOrInterface extends ClassOrInterface {
   SourceClassOrInterface() { this.fromSource() }
 }
 

java/ql/lib/semmle/code/java/deadcode/DeadField.qll

@@ -9,7 +9,7 @@ import semmle.code.java.frameworks.jackson.JacksonSerializability
  *
  * This defines the set of fields for which we will determine liveness.
  */
-library class SourceField extends Field {
+class SourceField extends Field {
   SourceField() { this.fromSource() }
 }
 

java/ql/lib/semmle/code/java/deadcode/EntryPoints.qll

@@ -94,7 +94,7 @@ abstract class ReflectivelyConstructedClass extends EntryPoint, Class {
 /**
  * Classes that are deserialized by Jackson are reflectively constructed.
  */
-library class JacksonReflectivelyConstructedClass extends ReflectivelyConstructedClass instanceof JacksonDeserializableType
+class JacksonReflectivelyConstructedClass extends ReflectivelyConstructedClass instanceof JacksonDeserializableType
 {
   override Callable getALiveCallable() {
     // Constructors may be called by Jackson, if they are a no-arg, they have a suitable annotation,