Remove the AGPL license

NOTICE

@@ -1,4 +1,15 @@
 CosmWasm-Plus: A collection of production-quality CosmWasm contracts
 
-Different crates in this repo may be either Apache-2.0 or AGPL-3.0 licensed.
-Please refer to the NOTICE file in each crate (and the Cargo.toml metadata)
+Copyright 2021,2022 Confio GmbH
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.

README.md

@@ -206,16 +206,9 @@ auto-detect the latest version tag for you, with --latest-tag.
 
 ## Licenses
 
-This repo contains two license, [Apache 2.0](./LICENSE-APACHE) and
-[AGPL 3.0](./LICENSE-AGPL.md). All crates in this repo may be licensed
-as one or the other. Please check the `NOTICE` in each crate or the
-relevant `Cargo.toml` file for clarity.
+This repo is licensed under [Apache 2.0](./LICENSE).
 
 All *specifications* will always be Apache-2.0. All contracts that are
 meant to be *building blocks* will also be Apache-2.0. This is along
 the lines of Open Zeppelin or other public references.
 
-Contracts that are "ready to deploy" may be licensed under AGPL 3.0 to
-encourage anyone using them to contribute back any improvements they
-make. This is common practice for actual projects running on Ethereum,
-like Uniswap or Maker DAO.