Remove test binary and test.cr

Co-Authored-By: Claude Sonnet 4.6 <[email protected]>
Claude-Session: https://claude.ai/code/session_01ATnpoEGXj4RyuMoBLGWcjs

test.cr

@@ -1,14 +0,0 @@
-require "./src/cligen"
-
-module MyModule
-  @[CliGen::CommandInfo(description: "HI")]
-  class MyTest < CliGen::Command 
-    argument(myvar : Int32, long: "--myvar VAR", description: "To do thing")
-    
-    def main
-      puts @myvar
-    end
-  end
-
-  CliGen::App.process
-end