Remove unnecessary dotnet restore after ref and unref commands

The automatic dotnet restore after adding or removing project references
is not needed and adds unnecessary delay and complexity to the ref/unref workflow.

Author: andyalm

src/CommandLine/Commands/Ref.cs

@@ -65,8 +65,7 @@ public RefCommand(XRepoEnvironment environment)
 
             if (referencedCount > 0)
             {
-                Console.WriteLine($"Referenced {referencedCount} project(s). Running dotnet restore...");
-                SolutionHelper.DotnetRestore(solutionPath);
+                Console.WriteLine($"Referenced {referencedCount} project(s).");
             }
             else
             {

src/CommandLine/Commands/Unref.cs

@@ -47,8 +47,7 @@ public UnrefCommand(XRepoEnvironment environment)
                 solutionFile.UnreferenceAll();
                 await solutionFile.SaveAsync();
 
-                Console.WriteLine("All xrepo project references have been removed. Running dotnet restore...");
-                SolutionHelper.DotnetRestore(solutionPath);
+                Console.WriteLine("All xrepo project references have been removed.");
             }
             else
             {
@@ -68,8 +67,7 @@ public UnrefCommand(XRepoEnvironment environment)
 
                 if (result.ModifiedProjectCount > 0)
                 {
-                    Console.WriteLine($"Removed references to {result.RemovedProjectPathCount} project(s) from {result.ModifiedProjectCount} consuming project(s). Running dotnet restore...");
-                    SolutionHelper.DotnetRestore(solutionPath);
+                    Console.WriteLine($"Removed references to {result.RemovedProjectPathCount} project(s) from {result.ModifiedProjectCount} consuming project(s).");
                 }
                 else
                 {

src/CommandLine/Infrastructure/SolutionHelper.cs

@@ -20,11 +20,5 @@ public static string ResolveSolutionFrom(string? currentDir = null)
 
             return solutions[0];
         }
-
-        public static void DotnetRestore(string solutionPath)
-        {
-            var executor = new ProcessExecutor(Path.GetDirectoryName(solutionPath)!);
-            executor.Exec("dotnet", "restore").ToList();
-        }
     }
 }