fix: Update required PowerShell version to 7.1.3 and remove Edit-LineEnding function

Author: jtracey93

src/ALZ.Settings.ps1

@@ -1,2 +1,2 @@
 # specify the minimum required major PowerShell version that the build script should validate
-[version]$script:requiredPSVersion = '5.1.0'
+[version]$script:requiredPSVersion = '7.1.3'

src/ALZ/ALZ.psd1

@@ -83,7 +83,6 @@
     FunctionsToExport    = @(
         'Test-AcceleratorRequirement',
         'Deploy-Accelerator',
-        'Edit-LineEnding',
         'Invoke-EABillingSPNPermissionsSetup'
     )
 
@@ -94,9 +93,7 @@
     VariablesToExport    = '*'
 
     # Aliases to export from this module, for best performance, do not use wildcards and do not delete the entry, use an empty array if there are no aliases to export.
-    AliasesToExport      = @(
-        'Edit-LineEndings'
-    )
+    AliasesToExport      = @()
 
     # DSC resources to export from this module
     # DscResourcesToExport = @()