Use Polkadot Constants instead of Hardcoding (#868)

* added Polkadot constants

* remove hardcoded constants

* cargo +nightly fmt

* add const existential deposit

* update

* cargo +nightly fmt

* not pulling

* readd constants.rs modules

* update

* Cargo.lock

* update

* add balance constants

* Update polkadot-parachains/statemine/src/constants.rs

Co-authored-by: Alexander Popiak <alexander.popiak@gmail.com>

* cargo fmt

Co-authored-by: Alexander Popiak <alexander.popiak@gmail.com>

Cargo.lock

@@ -10954,6 +10954,7 @@ dependencies = [
  "frame-system-rpc-runtime-api",
  "frame-try-runtime",
  "hex-literal 0.3.4",
+ "kusama-runtime-constants",
  "log",
  "node-primitives",
  "pallet-asset-tx-payment",
@@ -11043,6 +11044,7 @@ dependencies = [
  "parity-scale-codec",
  "polkadot-parachain",
  "polkadot-runtime-common",
+ "polkadot-runtime-constants",
  "scale-info",
  "serde",
  "smallvec",
@@ -12478,6 +12480,7 @@ dependencies = [
  "sp-transaction-pool",
  "sp-version",
  "substrate-wasm-builder",
+ "westend-runtime-constants",
  "xcm",
  "xcm-builder",
  "xcm-executor",