Update README.md with OSS changes

Since #204 OSS `SNAPSHOT`s are not published, so documentation is no longer required.

Also updated naming to `community edition` as per [updated naming](https://hazelcast.com/products/feature-comparison/)

README.md

@@ -37,7 +37,7 @@ echo "deb [signed-by=/usr/share/keyrings/hazelcast-archive-keyring.gpg] https://
 sudo apt update
 ```
 
-Install Hazelcast (open source)
+Install Hazelcast (community edition)
 ```shell
 sudo apt install hazelcast
 ```
@@ -60,7 +60,7 @@ sudo mv hazelcast-rpm-stable.repo /etc/yum.repos.d/
 sudo yum install hazelcast
 ```
 
-Install Hazelcast (open source)
+Install Hazelcast (community edition)
 ```shell
 sudo yum install hazelcast
 ```
@@ -82,7 +82,7 @@ Add repository
 brew tap hazelcast/hz
 ```
 
-Install Hazelcast (open source)
+Install Hazelcast (community edition)
 ```shell
 brew install hazelcast
 ```
@@ -182,7 +182,7 @@ echo "deb [signed-by=/usr/share/keyrings/hazelcast-archive-keyring.gpg] https://
 sudo apt update
 ```
 
-Install Hazelcast (open source)
+Install Hazelcast (community edition)
 ```shell
 sudo apt install hazelcast
 ```
@@ -205,7 +205,7 @@ wget https://repository.hazelcast.com/rpm/snapshot/hazelcast-rpm-snapshot.repo -
 sudo mv hazelcast-rpm-snapshot.repo /etc/yum.repos.d/
 ```
 
-Install Hazelcast (open source)
+Install Hazelcast (community edition)
 ```shell
 sudo yum install hazelcast
 ```
@@ -220,13 +220,6 @@ sudo yum install hazelcast-enterprise
 You need to add `snapshot`/`devel`/`beta` suffix to the package version when 
 installing a snapshot.
 
-Run the following to install the latest `snapshot` version of open-source Hazelcast:
-
-```shell
-brew tap hazelcast/hz
-brew install hazelcast-snapshot
-```
-
 Run the following to install the latest `devel` version of Hazelcast Enterprise:
 
 ```shell