Revert "[nrf fromtree] [nrfconnect] Optimize packet buffer size (project-chip#33137)"

This reverts commit 2d3e9bb.

Signed-off-by: Adrian Gielniewski <adrian.gielniewski@nordicsemi.no>

Author: adigie

src/platform/nrfconnect/SystemPlatformConfig.h

@@ -51,20 +51,6 @@ struct ChipDeviceEvent;
 #define CHIP_SYSTEM_CONFIG_PACKETBUFFER_POOL_SIZE 15
 #endif
 
-#ifndef CHIP_SYSTEM_CONFIG_PACKETBUFFER_CAPACITY_MAX
-#ifdef CONFIG_WIFI_NRF700X
-// Minimal mDNS uses Matter packet buffers, so as long as minimal mDNS is used
-// in Nordic's Wi-Fi solution, the packet buffers must be a bit bigger than what
-// is required by Matter.
-#define CHIP_SYSTEM_CONFIG_PACKETBUFFER_CAPACITY_MAX CONFIG_NRF_WIFI_IFACE_MTU
-#else
-// Matter specification requires that Matter messages fit in IPV6 MTU of 1280B
-// unless for large messages that can be sent over BTP or TCP. But those will
-// likely require a separate buffer pool or employ chained buffers.
-#define CHIP_SYSTEM_CONFIG_PACKETBUFFER_CAPACITY_MAX 1280
-#endif // CONFIG_WIFI_NRF700X
-#endif // CHIP_SYSTEM_CONFIG_PACKETBUFFER_CAPACITY_MAX
-
 // ========== Platform-specific Configuration Overrides =========
 
 // Disable Zephyr Socket extensions module, as the Zephyr RTOS now implements recvmsg()