[CLEANUP] Switched to String.format and cleanup

src/main/java/org/parabot/core/asm/wrappers/Getter.java

@@ -38,7 +38,7 @@ public class Getter implements Injectable {
         this.fieldLocation = ASMUtils.getClass(fieldLocation);
         this.fieldNode = ASMUtils.getField(ASMUtils.getClass(fieldLocation), fieldNode, fieldDesc);
         this.methodName = methodName;
-        this.returnDesc = returnDesc == null && this.fieldNode != null ? this.fieldNode.desc : returnDesc;
+        this.returnDesc = (returnDesc == null && this.fieldNode != null) ? this.fieldNode.desc : returnDesc;
         this.staticMethod = staticMethod;
         this.multiplier = multiplier;
         Core.verbose(methodName + "[" + fieldLocation + "." + fieldNode + "]");

src/main/java/org/parabot/core/asm/wrappers/Invoker.java

@@ -81,10 +81,6 @@ public class Invoker implements Injectable {
 
     @Override
     public String toString() {
-        return new StringBuilder()
-                .append("Injectable type: Invoker")
-                .append(", accessor: ").append(methodLocation.name)
-                .append(", method name: ").append(methodName)
-                .append(", invokes method: ").append(mName).toString();
+        return String.format("Injectable type: Invoker, accessor: %s, method name: %s, invokes method: %s", methodLocation.name, methodName, mName);
     }
 }

src/main/java/org/parabot/core/asm/wrappers/Setter.java

@@ -25,7 +25,7 @@ public class Setter implements Injectable {
         this.into = ASMUtils.getClass(into);
         this.field = ASMUtils.getField(this.fieldLocation, fieldName, fieldDesc);
         this.name = methodName;
-        this.desc = (desc == null) && this.field != null ? this.field.desc : desc;
+        this.desc = (desc == null && this.field != null) ? this.field.desc : desc;
         this.methodStatic = methodStatic;
     }