Remove FX_Alloc() null checks now that it can't return NULL.

core/src/fxcrt/fx_basic_plex.cpp

Index: core/src/fxcrt/fx_basic_plex.cpp
diff --git a/core/src/fxcrt/fx_basic_plex.cpp b/core/src/fxcrt/fx_basic_plex.cpp
index bff55461f401fcce1a72e314d17fb11e80b85d99..78319bd5da15a76416c77093a54cfb96118b5c88 100644
--- a/core/src/fxcrt/fx_basic_plex.cpp
+++ b/core/src/fxcrt/fx_basic_plex.cpp
@@ -9,9 +9,6 @@
 CFX_Plex* CFX_Plex::Create(CFX_Plex*& pHead, FX_DWORD nMax, FX_DWORD cbElement)
 {
     CFX_Plex* p = (CFX_Plex*)FX_Alloc(FX_BYTE, sizeof(CFX_Plex) + nMax * cbElement);
-    if (!p) {
-        return NULL;
-    }
     p->pNext = pHead;
     pHead = p;
     return p;