Update README.md

De-duplicated flag explanation in readme.

README.md

@@ -81,35 +81,6 @@ ### Options when running the script <a name="options"></a>
 
 There are optional flags you can use when running the script:
 ```YAML
-  -s, --showedits       Show edits made to <model>_host db and db.new file(s)
-  -n, --noupdate        Prevent DSM updating the compatible drive databases
-  -r, --ram             Disable memory compatibility checking (DSM 7.x only)
-                        and sets max memory to the amount of installed memory
-  -f, --force           Force DSM to not check drive compatibility
-                        Do not use this option unless absolutely needed
-  -i, --incompatible    Change incompatible drives to supported
-                        Do not use this option unless absolutely needed
-  -w, --wdda            Disable WD Device Analytics to prevent DSM showing
-                        a false warning for WD drives that are 3 years old
-                          DSM 7.2.1 already has WDDA disabled
-  -p, --pcie            Enable creating volumes on M2 in unknown PCIe adaptor
-  -e, --email           Disable colored text in output scheduler emails
-  -S, --ssd=DRIVE       Enable write_mostly on slow internal drives so DSM 
-                        runs from the fast internal drive(s).
-                          -S automatically sets internal SSDs as DSM preferred
-                          --ssd=DRIVE requires the fast drive(s) as argument,
-                          or restore as the argument to reset drives to default
-                          --ssd=sata1 or --ssd=sata1,sata2 or --ssd=sda etc
-                          --ssd=restore
-      --restore         Undo all changes made by the script (except -S --ssd)
-      --autoupdate=AGE  Auto update script (useful when script is scheduled)
-                          AGE is how many days old a release must be before
-                          auto-updating. AGE must be a number: 0 or greater
-  -I, --ihm             Update IronWolf Health Monitor to 2.5.1 to support
-                        recent model IronWolf and IronWolf Pro drives
-  -h, --help            Show this help message
-  -v, --version         Show the script version
-
   -s, --showedits       Show edits made to <model>_host db and db.new file(s)
   -n, --noupdate        Prevent DSM updating the compatible drive databases
   -r, --ram             Disable memory compatibility checking (DSM 7.x only)