fix: updated code to fix errors

Author: Mrinal Chauhan

src/main/java/com/thealgorithms/strings/Zalgorithm.java

@@ -24,15 +24,8 @@ public static List<Integer> findPatternOccurrences(String text, String pattern)
         int patternLength = pattern.length();
 
         for (int i = patternLength + 1; i < zArray.length; i++) {
-            if (zArray[i] >= patternLength) {
+            if (zArray[i] == patternLength) {
                 occurrences.add(i - patternLength - 1);
-                
-                // Modification to handle single and multi-character patterns differently:
-                // Skip to next position for non-overlapping matches only if pattern length > 1
-                if (patternLength > 1) {
-                    i += patternLength - 1;
-                }
-                // For single-character patterns, continue without skipping to capture overlaps
             }
         }
         return occurrences;