Sonar fixes

Author: surajkumar

annotations/src/main/java/com/javadiscord/jdi/core/processor/validator/SlashCommandValidator.java

@@ -31,10 +31,11 @@ public boolean validate(Method method) {
         for (Map.Entry<Class<? extends Annotation>, String[]> entry : EXPECTED_PARAM_TYPES_MAP
             .entrySet()) {
             Class<? extends Annotation> annotationClass = entry.getKey();
-            if (method.isAnnotationPresent(annotationClass)) {
-                if (!validateMethodParameters(method, entry.getValue())) {
-                    return false;
-                }
+            if (
+                method.isAnnotationPresent(annotationClass)
+                    && !validateMethodParameters(method, entry.getValue())
+            ) {
+                return false;
             }
         }
         return true;

api/src/main/java/com/javadiscord/jdi/internal/api/RateLimit.java

@@ -8,8 +8,6 @@ public class RateLimit {
     private int resetAfter;
     private boolean globalRateLimit;
 
-    public RateLimit() {}
-
     public String getBucket() {
         return bucket;
     }