feat(server/v2): add config & start helper (#20505)

Co-authored-by: marbar3778 <marbar3778@yahoo.com>
Co-authored-by: Marko <marko@baricevic.me>
Co-authored-by: Matt Kocubinski <mkocubinski@gmail.com>
Co-authored-by: Likhita Polavarapu <78951027+likhita-809@users.noreply.github.com>
Co-authored-by: unknown unknown <unknown@unknown>
Co-authored-by: Julien Robert <julien@rbrt.fr>

scripts/simapp-v2-init.sh

@@ -13,13 +13,12 @@ CONFIG="${CONFIG:-$HOME/.simappv2/config}"
 cd "$SIMAPP_DIR"
 go build -o "$ROOT/build/simdv2" simdv2/main.go
 
+if [ -d "$($SIMD config home)" ]; then rm -r $($SIMD config home); fi
+
 $SIMD init simapp-v2-node --chain-id simapp-v2-chain
 
 cd "$CONFIG"
 
-# to enable the api server
-$SIMD config set app api.enable true
-
 # to change the voting_period
 jq '.app_state.gov.voting_params.voting_period = "600s"' genesis.json > temp.json && mv temp.json genesis.json