Updated mycelium network documentation to allow mycelium without planetary (#3832)

Author: khaledyoussef24

packages/grid_client/docs/network/mycelium_network.md

@@ -16,7 +16,7 @@ This configuration is set on [workload data](../../src/zos/zmachine.ts) and [net
 
 In case user needs to support mycelium:
 
-- flag `mycelium` field in workload with true, also the `planetary` field should be flagged with true.
+- flag `mycelium` field in workload with true.
 - User can support hex seed which ip will be generated from or they'll be generated automatically.
 - providing seeds, that's what makes ip fixed from anywhere.
   > Note user can't use same network seed in multiple nodes.