Remove unreleased+replaced StackLocator API from LOG4J2-2940
diff --git a/log4j-api/src/main/java/org/apache/logging/log4j/util/StackLocator.java b/log4j-api/src/main/java/org/apache/logging/log4j/util/StackLocator.java
index 3fb936a..2a92d8f 100644
--- a/log4j-api/src/main/java/org/apache/logging/log4j/util/StackLocator.java
+++ b/log4j-api/src/main/java/org/apache/logging/log4j/util/StackLocator.java
@@ -63,16 +63,10 @@
 
     @PerformanceSensitive
     public Class<?> getCallerClass(final String fqcn, final String pkg) {
-        return getCallerClass(fqcn, pkg, 0);
-    }
-
-    @PerformanceSensitive
-    public Class<?> getCallerClass(final String fqcn, final String pkg, final int skipDepth) {
         return walker.walk(s -> s
                 .dropWhile(f -> !f.getClassName().equals(fqcn))
                 .dropWhile(f -> f.getClassName().equals(fqcn))
                 .dropWhile(f -> !f.getClassName().startsWith(pkg))
-                .skip(skipDepth)
                 .findFirst())
                 .map(StackWalker.StackFrame::getDeclaringClass)
                 .orElse(null);
diff --git a/log4j-api/src/main/java/org/apache/logging/log4j/util/StackLocatorUtil.java b/log4j-api/src/main/java/org/apache/logging/log4j/util/StackLocatorUtil.java
index 482ee33..d27fb9c 100644
--- a/log4j-api/src/main/java/org/apache/logging/log4j/util/StackLocatorUtil.java
+++ b/log4j-api/src/main/java/org/apache/logging/log4j/util/StackLocatorUtil.java
@@ -59,24 +59,15 @@
     }
 
     /**
-     * Equivalent to {@link #getCallerClass(String, String, int)} with {@code skipDepth = 0}.
-     */
-    @PerformanceSensitive
-    public static Class<?> getCallerClass(final String fqcn, final String pkg) {
-        return stackLocator.getCallerClass(fqcn, pkg);
-    }
-
-    /**
      * Search for a calling class.
      *
      * @param fqcn Root class name whose caller to search for.
      * @param pkg Package name prefix that must be matched after the {@code fqcn} has been found.
-     * @param skipDepth Number of stack frames to skip after the {@code fqcn} and {@code pkg} have been matched.
      * @return The caller class that was matched, or null if one could not be located.
      */
     @PerformanceSensitive
-    public static Class<?> getCallerClass(final String fqcn, final String pkg, final int skipDepth) {
-        return stackLocator.getCallerClass(fqcn, pkg, skipDepth);
+    public static Class<?> getCallerClass(final String fqcn, final String pkg) {
+        return stackLocator.getCallerClass(fqcn, pkg);
     }
 
     /**