Remove other occurences of docker.registry

Author: drpatelh

nextflow.config

@@ -259,7 +259,6 @@ profiles {
     docker {
         conda.enabled          = false
         docker.enabled         = true
-        docker.registry        = 'quay.io'
         docker.userEmulation   = true
         conda.enabled          = false
         singularity.enabled    = false
@@ -283,7 +282,6 @@ profiles {
     }
     podman {
         podman.enabled         = true
-        podman.registry        = 'quay.io'
         conda.enabled          = false
         docker.enabled         = false
         singularity.enabled    = false