(breaking) Remove custom audio path

The ability to point to your own sound files was removed by Microsoft
several years ago and has been deprecated in BurntToast for almost as
long. This means only built in system sounds can be used now.

CHANGES.md

@@ -6,6 +6,8 @@
 
   - Breaking Change: Shoulder tap notification support has been removed
 
+  - Breaking Change: Custom audio source support has been removed
+
   - Libraries: Microsoft.Windows.SDK.NET.Ref library bumped to 10.0.22621.28
 
   - Libraries: Microsoft.Toolkit.Uwp.Notifications library bumped to 7.1.3

Tests/New-BTAudio.Tests.ps1

@@ -48,14 +48,4 @@ Describe 'New-BTAudio' {
             $Log | Should -Be $Expected
         }
     }
-
-    Context 'input validation' {
-        It 'throws if audio file doesn''t exist' {
-            { New-BTAudio -Path 'C:\Fake\phantom.wav' } | Should -Throw "Cannot validate argument on parameter 'Path'. The file 'C:\Fake\phantom.wav' doesn't exist in the specified location. Please provide a valid path and try again."
-        }
-
-        It 'throws if the extension is not supported' {
-            { New-BTAudio -Path 'C:\Fake\phantom.mov' } | Should -Throw "Cannot validate argument on parameter 'Path'. The file extension '.mov' is not supported. Please provide a valid path and try again."
-        }
-    }
 }

src/Public/New-BTAudio.ps1

@@ -72,22 +72,7 @@
                      'ms-winsoundevent:Notification.Looping.Call10')]
         [uri] $Source,
 
-        # The full path to an audio file. Supported file types include:
-        #
-        # *.aac
-        # *.flac
-        # *.m4a
-        # *.mp3
-        # *.wav
-        # *.wma
-        [Parameter(Mandatory,
-                   ParameterSetName = 'CustomSound')]
-        [ValidateScript({Test-BTAudioPath $_})]
-        [Obsolete('Unfortunately, custom sounds no longer work and this parameter will be removed in v0.9.0. See: https://github.com/MicrosoftDocs/windows-uwp/issues/1593')]
-        [string] $Path,
-
         # Specifies that the slected sound should play multiple times if its duration is shorter than that of the toast it accompanies.
-        [Parameter(ParameterSetName = 'CustomSound')]
         [Parameter(ParameterSetName = 'StandardSound')]
         [switch] $Loop,
 
@@ -103,10 +88,6 @@
         $Audio.Src = $Source
     }
 
-    if ($Path) {
-        $Audio.Src = $Path
-    }
-
     $Audio.Loop = $Loop
     $Audio.Silent = $Silent