Remove old DotNetVersion method and dep

src/NzbDrone.Common/EnvironmentInfo/PlatformInfo.cs

@@ -1,7 +1,4 @@
-using System;
-using System.Reflection;
-using System.Text.RegularExpressions;
-using Microsoft.Win32;
+using System;
 
 namespace NzbDrone.Common.EnvironmentInfo
 {
@@ -19,8 +16,6 @@ namespace NzbDrone.Common.EnvironmentInfo
 
     public class PlatformInfo : IPlatformInfo
     {
-        private static readonly Regex MonoVersionRegex = new Regex(@"(?<=\W|^)(?<version>\d+\.\d+(\.\d+)?(\.\d+)?)(?=\W)", RegexOptions.Compiled | RegexOptions.IgnoreCase);
-
         private static PlatformType _platform;
         private static Version _version;
 
@@ -60,107 +55,5 @@ namespace NzbDrone.Common.EnvironmentInfo
         {
             return _version;
         }
-
-        private static Version GetMonoVersion()
-        {
-            try
-            {
-                var type = Type.GetType("Mono.Runtime");
-
-                if (type != null)
-                {
-                    var displayNameMethod = type.GetMethod("GetDisplayName", BindingFlags.NonPublic | BindingFlags.Static);
-                    if (displayNameMethod != null)
-                    {
-                        var displayName = displayNameMethod.Invoke(null, null).ToString();
-                        var versionMatch = MonoVersionRegex.Match(displayName);
-
-                        if (versionMatch.Success)
-                        {
-                            return new Version(versionMatch.Groups["version"].Value);
-                        }
-                    }
-                }
-            }
-            catch (Exception ex)
-            {
-                Console.WriteLine("Couldnt get Mono version: " + ex.ToString());
-            }
-
-            return new Version();
-        }
-
-        private static Version GetDotNetVersion()
-        {
-            try
-            {
-                const string subkey = @"SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full\";
-                using (var ndpKey = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, RegistryView.Registry32).OpenSubKey(subkey))
-                {
-                    if (ndpKey == null)
-                    {
-                        return new Version(4, 0);
-                    }
-
-                    var releaseKey = (int)ndpKey.GetValue("Release");
-
-                    if (releaseKey >= 528040)
-                    {
-                        return new Version(4, 8, 0);
-                    }
-
-                    if (releaseKey >= 461808)
-                    {
-                        return new Version(4, 7, 2);
-                    }
-
-                    if (releaseKey >= 461308)
-                    {
-                        return new Version(4, 7, 1);
-                    }
-
-                    if (releaseKey >= 460798)
-                    {
-                        return new Version(4, 7);
-                    }
-
-                    if (releaseKey >= 394802)
-                    {
-                        return new Version(4, 6, 2);
-                    }
-
-                    if (releaseKey >= 394254)
-                    {
-                        return new Version(4, 6, 1);
-                    }
-
-                    if (releaseKey >= 393295)
-                    {
-                        return new Version(4, 6);
-                    }
-
-                    if (releaseKey >= 379893)
-                    {
-                        return new Version(4, 5, 2);
-                    }
-
-                    if (releaseKey >= 378675)
-                    {
-                        return new Version(4, 5, 1);
-                    }
-
-                    if (releaseKey >= 378389)
-                    {
-                        return new Version(4, 5);
-                    }
-                }
-            }
-            catch (Exception ex)
-            {
-                Console.WriteLine("Couldnt get .NET framework version: " + ex.ToString());
-            }
-
-            return new Version(4, 0);
-        }
     }
 }

src/NzbDrone.Common/Prowlarr.Common.csproj

@@ -18,7 +18,6 @@
     <PackageReference Include="System.IO.FileSystem.AccessControl" Version="5.0.0" />
     <PackageReference Include="System.Runtime.Loader" Version="4.3.0" />
     <PackageReference Include="System.ServiceProcess.ServiceController" Version="6.0.0" />
-    <PackageReference Include="Microsoft.Win32.Registry" Version="5.0.0" />
   </ItemGroup>
   <ItemGroup>
     <Compile Update="EnsureThat\Resources\ExceptionMessages.Designer.cs">