Deletion of duplicate audio files with different UTC time stamps in the file names, using PowerShell 5

I have a disc with many thousands of sound effects. The files have been stored on different operating systems and NAS devices over time and now there are duplicates of many files, but the names of the files contain different UTC timestamps. For example:

1-14 Busted bowling alley (2016_06_28 02_14_41 UTC) .aif

1-14 Bowling full of people (2016_02_18 05_56_59 UTC) .aif

I would like to delete the duplicate files. There are also unwanted files from the audio software and the indexing of the operating system that I would like to remove. When using a subset copied data, I tried the following PowerShell script in PS version 5.1, it seems to give me what I'm looking for:

# Remove the remaining files from the audio editors
Get-ChildItem -Name -Recurse -Filter "* .clip *" | Remove the article
Get-ChildItem -Name -Recurse -Filter "* .ptf" | Remove the article
Get-ChildItem -Name -Recurse -Filter "* .wfm" | Remove the article
Get-ChildItem -Name -Recurse -Filter "* .repeaks" | Remove the article

# Delete old indexing files
Get-ChildItem -Name -Recurse -Filter "* .DS_STORE" | Remove the article
Get-ChildItem -Name -Recurse -Filter "._. *" | Remove the article
Get-ChildItem -Name -Recurse -Filter "Thumbs * .db" | Remove the article
Get-ChildItem -Name -Recurse -Filter "* .ini" | Remove the article

# Remove UTC stamp of all files (will fail in duplicates)
Get-ChildItem -Recurse -Filter "* (?????????? ???????? UTC). *" | Rename-element-new name {$ _. Basename.substring (0, $ _. Basename.length-26) + $ _. Extension}

# Delete files that still have the UTC stamp (they were the duplicates)
Get-ChildItem -Name -Recurse -Filter "* (?????????????????? UTC). *" | Remove the article

However, I would love to get a critique of the script and learn some things. In particular, it seems a bit hacked using an expected failed command as part of the workflow. It also seemed sensible to get notes before executing it in the whole set of files.