Move LICENSE-community out of the root directory (#49548)

Some users are confused that Teleport OSS has been discontinued,
whic is not the case. Additionally, GitHub sees the community edition
license at the root of the repo and displays "Unkown licenses found"
on the repo homepage.

Move the community edition license into build.assets where the packaging
scripts live.

README.md

@@ -405,4 +405,4 @@ The remainder of the source code in this repository is available under the
 from source must comply with the terms of this license.
 
 Teleport Community Edition builds distributed on http://goteleport.com/download
-are available under a [modified Apache 2.0 license](./LICENSE-community).
+are available under a [modified Apache 2.0 license](./build.assets/LICENSE-community).

LICENSE-community → build.assets/LICENSE-community

@@ -173,7 +173,7 @@ OTHER ‘OPEN ACCESS’ LICENSES YOU MAY HAVE ENCOUNTERED PREVIOUSLY.
    you may not use this file except in compliance with the License.
    You may obtain a copy of the License at
 
-       https://github.com/gravitational/teleport/blob/master/LICENSE-community
+       https://github.com/gravitational/teleport/blob/master/build.assets/LICENSE-community
 
    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

web/packages/teleport/src/Login/Login.tsx

@@ -134,7 +134,7 @@ function LicenseAcknowledgement({
           <Text>
             By clicking continue, you agree to our{' '}
             <Link
-              href="https://github.com/gravitational/teleport/blob/master/LICENSE-community"
+              href="https://github.com/gravitational/teleport/blob/master/build.assets/LICENSE-community"
               target="_blank"
             >
               Terms and Conditions