simplify expressions that could be type-casts

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

@@ -60,7 +60,7 @@ predicate exception(EnumConstant e) {
     )
     or
     // Entire `Enum` annotated with reflective annotation.
-    exists(ReflectiveAccessAnnotation ann | ann = t.getAnAnnotation())
+    t.getAnAnnotation() instanceof ReflectiveAccessAnnotation
   )
   or
   // Enum field annotated with reflective annotation.

java/ql/lib/semmle/code/java/deadcode/frameworks/CamelEntryPoints.qll

@@ -12,6 +12,6 @@ import semmle.code.java.frameworks.Camel
 class CamelMessageCallableEntryPoint extends CallableEntryPoint {
   CamelMessageCallableEntryPoint() {
     exists(CamelTargetClass camelTargetClass | this = camelTargetClass.getACamelCalledMethod()) or
-    exists(CamelConsumeMethod consumeMethod | this = consumeMethod)
+    this instanceof CamelConsumeMethod
   }
 }