RELNOTES: remove and sort duplicate items

Remove the newer netblue30#6390 item as it is already on the list, remove the
older netblue30#6307 item (modif) and sort the new netblue30#6307 item (bugfix).

This amends commit 9ebecd0 ("readme/relnotes update", 2024-07-13).

RELNOTES

@@ -1,7 +1,6 @@
 firejail (0.9.73) baseline; urgency=low
   * work in progress
   * security: fix sscanf rv checks (CodeQL) (#6184)
-  * feature: added noptm and keep-tpm commands to private-dev (#6390)
   * feature: Add "keep-shell-rc" command and option (#1127 #5634)
   * feature: Print the argument when failing with "too long arguments" (#5677)
   * feature: a random hostname is assigned to each sandbox unless
@@ -33,18 +32,17 @@ firejail (0.9.73) baseline; urgency=low
   * modif: drop deprecated 'shell' option references (#5894)
   * modif: keep pipewire group unless nosound is used (#5992 #5993)
   * modif: fcopy: Use lstat when copying directory (#5957)
-  * modif: populate /run/firejail while holding flock (#6307)
   * modif: private-dev: keep /dev/kfd unless no3d is used (#6380)
   * modif: keep /sys/module/nvidia* if prop driver and no no3d (#6372 #6387)
   * removal: LTS and FIRETUNNEL support
-  * bugfix: fix startup race condition for /run/firejail directory (#6307, #6307)
   * bugfix: fix --hostname and --hosts-file commands
   * bugfix: fix examples in firejail-local AppArmor profile (#5717)
   * bugfix: arp.c: ensure positive timeout on select(2) (#5806)
   * bugfix: Wrong syscall names for s390_pci_mmio_read and s390_pci_mmio_write
     (#5965 #5976)
   * bugfix: firejail --ls reports wrong file sizes for large files (#5982
     #6086)
+  * bugfix: fix startup race condition for /run/firejail directory (#6307)
   * bugfix: fix various resource leaks (#6367)
   * bugfix: profstats: fix restrict-namespaces max count (#6369)
   * build: auto-generate syntax files (#5627)