fix linters

Lab4/Applicable.java

@@ -2,15 +2,12 @@
  * The Applicable interface that can probably
  * transform if given something that is
  * probably an Immutator.
- *
  * Contains a single abstract method apply.
- *
  * CS2030S Lab 4
  * AY22/23 Semester 1
- *
  * @author Yadunand Prem (10B)
  */
 
 interface Applicable<T> {
-    <R> Applicable<R> apply(Probably<Immutator<R, T>> probablyImmutator);
+  <R> Applicable<R> apply(Probably<Immutator<R, T>> probablyImmutator);
 }