Fix formatting issues reported by clang-format

Author: Vinayak-v12

src/main/java/com/thealgorithms/maths/PowerUsingRecursion.java

@@ -16,7 +16,6 @@ private PowerUsingRecursion() {
      * @param exponent the power (can be negative)
      * @return base^exponent
      */
-    
     public static double power(double base, int exponent) {
 
         // Handle negative exponent: a^-n = 1 / (a^n)

src/test/java/com/thealgorithms/maths/PowerUsingRecursionTest.java

@@ -25,5 +25,4 @@ void testPowerUsingRecursion() {
         // another negative exponent
         assertEquals(0.5, PowerUsingRecursion.power(2.0, -1));
     }
-
 }