[dotnet][java][js][py][rb] remove deprecated Firefox profile extension and cert methods

dotnet/src/webdriver/Firefox/FirefoxProfile.cs

@@ -33,9 +33,6 @@ public class FirefoxProfile
     private readonly string? sourceProfileDir;
     private readonly bool deleteSource;
     private readonly Preferences profilePreferences;
-#pragma warning disable CS0618 // Type or member is obsolete
-    private readonly Dictionary<string, FirefoxExtension> extensions = new Dictionary<string, FirefoxExtension>();
-#pragma warning restore CS0618 // Type or member is obsolete
 
     /// <summary>
     /// Initializes a new instance of the <see cref="FirefoxProfile"/> class.
@@ -100,21 +97,6 @@ public static FirefoxProfile FromBase64String(string base64)
         return new FirefoxProfile(destinationDirectory, true);
     }
 
-    /// <summary>
-    /// Adds a Firefox Extension to this profile
-    /// </summary>
-    /// <param name="extensionToInstall">The path to the new extension</param>
-    /// <exception cref="ArgumentNullException">If <paramref name="extensionToInstall"/> is <see langword="null"/>.</exception>
-    [Obsolete("Use FirefoxDriver.InstallAddOnFromFile instead.")]
-    public void AddExtension(string extensionToInstall)
-    {
-        ArgumentNullException.ThrowIfNull(extensionToInstall);
-
-#pragma warning disable CS0618 // Type or member is obsolete
-        this.extensions.Add(Path.GetFileNameWithoutExtension(extensionToInstall), new FirefoxExtension(extensionToInstall));
-#pragma warning restore CS0618 // Type or member is obsolete
-    }
-
     /// <summary>
     /// Sets a preference in the profile.
     /// </summary>
@@ -164,7 +146,6 @@ public void WriteToDisk()
             Directory.CreateDirectory(this.ProfileDirectory);
         }
 
-        this.InstallExtensions(this.ProfileDirectory);
         this.DeleteLockFiles(this.ProfileDirectory);
         this.DeleteExtensionsCache(this.ProfileDirectory);
         this.UpdateUserPreferences(this.ProfileDirectory);
@@ -236,19 +217,6 @@ private void DeleteLockFiles(string profileDirectory)
         File.Delete(Path.Combine(profileDirectory, "parent.lock"));
     }
 
-    /// <summary>
-    /// Installs all extensions in the profile in the directory on disk.
-    /// </summary>
-    private void InstallExtensions(string profileDirectory)
-    {
-#pragma warning disable CS0618 // Type or member is obsolete
-        foreach (string extensionKey in this.extensions.Keys)
-        {
-            this.extensions[extensionKey].Install(profileDirectory);
-        }
-#pragma warning restore CS0618 // Type or member is obsolete
-    }
-
     /// <summary>
     /// Deletes the cache of extensions for this profile, if the cache exists.
     /// </summary>