Remove repeated assigmnent

Author: vlatan

mysqltuner.pl

@@ -595,7 +595,6 @@ sub os_setup {
     chomp($physical_memory);
     chomp($swap_memory);
     chomp($os);
-    $physical_memory=$opt{forcemem} if (defined($opt{forcemem}) and $opt{forcemem} gt 0);
     $result{'OS'}{'OS Type'}                   = $os;
     $result{'OS'}{'Physical Memory'}{'bytes'}  = $physical_memory;
     $result{'OS'}{'Physical Memory'}{'pretty'} = hr_bytes($physical_memory);