Remove some deprecated methods

buffer-api/src/main/java/io/netty/buffer/api/pool/PoolArena.java

@@ -311,11 +311,6 @@ class PoolArena extends SizeClasses implements PoolArenaMetric, AllocatorControl
         return allocationsSmall.longValue() + allocsNormal + allocationsHuge.longValue();
     }
 
-    @Override
-    public long numTinyAllocations() {
-        return 0;
-    }
-
     @Override
     public long numSmallAllocations() {
         return allocationsSmall.longValue();
@@ -335,11 +330,6 @@ class PoolArena extends SizeClasses implements PoolArenaMetric, AllocatorControl
         return deallocs + deallocationsHuge.longValue();
     }
 
-    @Override
-    public long numTinyDeallocations() {
-        return 0;
-    }
-
     @Override
     public synchronized long numSmallDeallocations() {
         return deallocationsSmall;

buffer-api/src/main/java/io/netty/buffer/api/pool/PoolArenaMetric.java

@@ -52,14 +52,6 @@ public interface PoolArenaMetric extends SizeClassesMetric {
      */
     long numAllocations();
 
-    /**
-     * Return the number of tiny allocations done via the arena.
-     *
-     * @deprecated Tiny allocations have been merged into small allocations.
-     */
-    @Deprecated
-    long numTinyAllocations();
-
     /**
      * Return the number of small allocations done via the arena.
      */
@@ -80,14 +72,6 @@ public interface PoolArenaMetric extends SizeClassesMetric {
      */
     long numDeallocations();
 
-    /**
-     * Return the number of tiny deallocations done via the arena.
-     *
-     * @deprecated Tiny deallocations have been merged into small deallocations.
-     */
-    @Deprecated
-    long numTinyDeallocations();
-
     /**
      * Return the number of small deallocations done via the arena.
      */