Feat: Remove legacy CLI argument parsing code

Legacy `OLD` namespace CLI argument parsing code has been removed in favor of a streamlined and modernized CliParser implementation. Refactored a sample project to use the updated structure, including namespace and project renaming for better clarity and alignment with the new design.

Author: AnnaSasDev

CodeOfChaos.CliArgsParser.sln

@@ -16,7 +16,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "example", "example", "{91B4
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CodeOfChaos.CliArgsParser.Generators", "src\CodeOfChaos.CliArgsParser.Generators\CodeOfChaos.CliArgsParser.Generators.csproj", "{80E6494A-B679-4DDA-877C-F4639D4C60A8}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CodeOfChaos.CliArgsParser.Generators.Sample", "src\CodeOfChaos.CliArgsParser.Generators.Sample\CodeOfChaos.CliArgsParser.Generators.Sample.csproj", "{5791637A-68E9-4B82-9C2C-E295D0C3E94C}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Sample.CodeOfChaos.CliArgsParser", "src\Sample.CodeOfChaos.CliArgsParser\Sample.CodeOfChaos.CliArgsParser.csproj", "{5791637A-68E9-4B82-9C2C-E295D0C3E94C}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Tests.CodeOfChaos.CliArgsParser", "tests\Tests.CodeOfChaos.CliArgsParser\Tests.CodeOfChaos.CliArgsParser.csproj", "{181DA4AF-50BA-4C90-B678-EE394B22BFED}"
 EndProject

src/CodeOfChaos.CliArgsParser.Generators/Properties/launchSettings.json

@@ -3,7 +3,7 @@
   "profiles": {
     "DebugRoslynSourceGenerator": {
       "commandName": "DebugRoslynComponent",
-      "targetProject": "../CodeOfChaos.CliArgsParser.Generators.Sample/CodeOfChaos.CliArgsParser.Generators.Sample.csproj"
+      "targetProject": "../Sample.CodeOfChaos.CliArgsParser/Sample.CodeOfChaos.CliArgsParser.csproj"
     }
   }
 }

src/CodeOfChaos.CliArgsParser/CliArgsParserBuilder.cs

@@ -1,8 +1,6 @@
 // ---------------------------------------------------------------------------------------------------------------------
 // Imports
 // ---------------------------------------------------------------------------------------------------------------------
-using CodeOfChaos.CliArgsParser.OLD;
-using CodeOfChaos.Extensions;
 using System.Reflection;
 using System.Text.RegularExpressions;