fix: remove reference to deleted pico instance size constant (#4919)

* Initial plan

* fix: remove reference to deleted V1CreateProjectBodyDesiredInstanceSizePico constant

Co-authored-by: avallete <8771783+avallete@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: avallete <8771783+avallete@users.noreply.github.com>

Author: Copilot

cmd/projects.go

@@ -49,7 +49,6 @@ var (
 			string(api.V1CreateProjectBodyDesiredInstanceSizeN48xlargeOptimizedMemory),
 			string(api.V1CreateProjectBodyDesiredInstanceSizeN4xlarge),
 			string(api.V1CreateProjectBodyDesiredInstanceSizeN8xlarge),
-			string(api.V1CreateProjectBodyDesiredInstanceSizePico),
 			string(api.V1CreateProjectBodyDesiredInstanceSizeSmall),
 			string(api.V1CreateProjectBodyDesiredInstanceSizeXlarge),
 		},