Can't remove "missing" drive from storage space

Question

I had recently added a new ssd to replace my old boot drive in my desktop. Added it to my storage pool thinking it would allow me to then clone my old boot drive to it, realized that all the drives spread data across all of them, wasn't able to remove SSD because for some reason it doesn't show a "Prepare For Removal" option for m.2 SSDs. So I decided to do a secure format in BIOS on SSD, now shows error that I cannot remove. Does not show two other HDDs I have on the storage space in Disk Management or "diskpart" in cmd prompt, shows them in Device Manager. Tried using Powershell to remove physical disk from storage space which did not work, after I had formatted the SSD I figured out that I was able to use Disk Management to create a seperate drive destination letter thing without adding to storage space, so I went ahead and copied the old boot to the new one. Now i'm trying to figure out how to access my storage space without loosing data from it.

Cmd Prompt
C:\WINDOWS\system32>diskpart

Microsoft DiskPart version 10.0.19041.964

Copyright (C) Microsoft Corporation.
On computer: UNKNOWN-DEVICE

DISKPART> list disk

  Disk ###  Status         Size     Free     Dyn  Gpt
  --------  -------------  -------  -------  ---  ---
  Disk 2    Online          931 GB  1024 KB        *

Windows PowerShell
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PS C:\WINDOWS\system32> Get-PhysicalDisk

Number FriendlyName SerialNumber                             MediaType CanPool OperationalStatus     HealthStatus Usage
------ ------------ ------------                             --------- ------- -----------------     ------------ -----
0      MSFT XVDD                                             SSD       False   OK                    Healthy      Au...
2      M21TB        E823_8FA6_BF53_0001_001B_448B_4E16_055C. SSD       False   {Transient Error, OK} Unhealthy    Au...
3      HDD 1tb      WD-WMATR1407794                          HDD       False   OK                    Healthy      Au...
1      HDD 2tb      WD-WXD2A716T7UU                          HDD       False   OK                    Healthy      Au...


PS C:\WINDOWS\system32> Get-StoragePool

FriendlyName OperationalStatus HealthStatus IsPrimordial IsReadOnly    Size AllocatedSize
------------ ----------------- ------------ ------------ ----------    ---- -------------
Main Storage Degraded          Warning      False        False      3.64 TB      588.5 GB
Primordial   OK                Healthy      True         False      3.64 TB       2.73 TB


PS C:\WINDOWS\system32> Remove-PhysicalDisk -PhysicalDisks $M21TB -StoragePoolFriendlyName "More Storage"
Remove-PhysicalDisk : Cannot validate argument on parameter 'PhysicalDisks'. The argument is null or empty. Provide an
argument that is not null or empty, and then try the command again.
At line:1 char:36
+ Remove-PhysicalDisk -PhysicalDisks $M21TB -StoragePoolFriendlyName "M ...
+                                    ~~~~~~
    + CategoryInfo          : InvalidData: (:) [Remove-PhysicalDisk], ParameterBindingValidationException
    + FullyQualifiedErrorId : ParameterArgumentValidationError,Remove-PhysicalDisk

PS C:\WINDOWS\system32>