Revert "detect even more memory mismanagement on glibc"

Intended to push a whole series of things, but *not* this one.
Was still under discussion at gerrit.

This reverts commit fcee4868.

solenv/bin/linkoo

@@ -54,19 +54,6 @@ export STAR_RESOURCEPATH=$thisdir/resource
 export SAL_DISABLE_FLOATGRAB=1
 export G_SLICE=always-malloc
 export MALLOC_CHECK_=2
-#get some random value between 0 and 255
-rndbyte=$RANDOM
-if test -n "${rndbyte}"; then
-  rndbyte=$(( $rndbyte % 256 ))
-else
-  if test -r /dev/urandom; then
-    rndbyte=$(dd if=/dev/urandom bs=1 count=1 2>/dev/null | od -tu1 | cut -s -d " " -f2)
-  else
-    rndbyte=$(( (( $(date +%S) + 1 ) * $$ ) % 255 ))
-  fi
-fi
-export MALLOC_PERTURB_=${rndbyte}
-unset rndbyte
 export OOO_DISABLE_RECOVERY=1
 export SAL_ALLOW_LINKOO_SYMLINKS=1
 ';