Remove leo example subcommand.

Leave `examples` as a submodule for testing purposes,
but it should no longer be necessary for building Leo.

.circleci/config.yml

@@ -274,19 +274,6 @@ jobs:
             export LEO=/home/circleci/project/project/bin/leo
             ./project/.circleci/leo-clean.sh
 
-  leo-example:
-    docker:
-      - image: cimg/rust:1.82
-    resource_class: xlarge
-    steps:
-      - attach_workspace:
-          at: /home/circleci/project/
-      - run:
-          name: leo example
-          command: |
-            export LEO=/home/circleci/project/project/bin/leo
-            ./project/.circleci/leo-example.sh
-
   test-examples:
     docker:
       - image: cimg/rust:1.82

README.md

@@ -67,8 +67,8 @@ We recommend installing Rust using [rustup](https://www.rustup.rs/). You can ins
 We recommend installing Leo by building from the source code as follows:
 
 ```bash
-# Download the source code and initialize the submodules
-git clone --recurse-submodules https://github.com/ProvableHQ/leo
+# Download the source code
+git clone https://github.com/ProvableHQ/leo
 cd leo
 
 # Install 'leo'

leo/cli/cli.rs

@@ -52,11 +52,6 @@ enum Commands {
         #[clap(flatten)]
         command: LeoNew,
     },
-    #[clap(about = "Create a new Leo example package in a new directory")]
-    Example {
-        #[clap(flatten)]
-        command: LeoExample,
-    },
     #[clap(about = "Run a program with input variables")]
     Run {
         #[clap(flatten)]
@@ -147,7 +142,6 @@ pub fn run_with_args(cli: CLI) -> Result<()> {
         Commands::Query { command } => command.try_execute(context),
         Commands::Clean { command } => command.try_execute(context),
         Commands::Deploy { command } => command.try_execute(context),
-        Commands::Example { command } => command.try_execute(context),
         Commands::Run { command } => command.try_execute(context),
         Commands::Execute { command } => command.try_execute(context),
         Commands::Remove { command } => command.try_execute(context),

leo/cli/commands/mod.rs

@@ -32,9 +32,6 @@ pub use debug::LeoDebug;
 pub mod deploy;
 pub use deploy::Deploy;
 
-pub mod example;
-pub use example::LeoExample;
-
 pub mod execute;
 pub use execute::LeoExecute;