Exclude memory check for Apple Silicon

Not yet working as getAvailableMemorySize delivers wrong values.

src/frontend/outitf.c

@@ -556,6 +556,7 @@ OUTpD_memory(runDesc *run, IFvalue *refValue, IFvalue *valuePtr)
 {
     int i, n = run->numData;
 
+#ifndef __APPLE__
     if (!cp_getvar("no_mem_check", CP_BOOL, NULL, 0)) {
         /* Estimate the required memory */
         size_t memrequ = (size_t)n * vlength2delta(0) * sizeof(double);
@@ -569,6 +570,7 @@ OUTpD_memory(runDesc *run, IFvalue *refValue, IFvalue *valuePtr)
             controlled_exit(1);
         }
     }
+#endif
 
     for (i = 0; i < n; i++) {