fix: update to only one occurence

Signed-off-by: Harshit Agarwal <harshitagar1907@gmail.com>

docs/tour/hello-world.mdx

@@ -86,20 +86,6 @@ brew install go
 brew install tinygo-org/tools/tinygo
 ```
 
-You will also need the `wasm-tools` utility, on macOS you can use `brew`:
-
-```shell
-brew install wasm-tools
-```
-
-If you have the [Rust toolchain](https://www.rust-lang.org/tools/install), you can use `cargo` to install `wasm-tools`:
-
-```shell
-cargo install wasm-tools
-```
-
-Otherwise, [download the binary for the latest version of `wasm-tools` for your architecture](https://github.com/bytecodealliance/wasm-tools#installation) and add it to your PATH.
-
 On Windows, you can use [Scoop](https://scoop.sh/) to install the Go toolchain (as well as the [`binaryen`](https://github.com/WebAssembly/binaryen) tool to compile components on Windows):
 
 ```shell
@@ -114,7 +100,13 @@ scoop install tinygo@0.33.0
 scoop install binaryen
 ```
 
-You will also need the `wasm-tools` utility. If you have the [Rust toolchain](https://www.rust-lang.org/tools/install), you can use `cargo` to install `wasm-tools`:
+You will also need the `wasm-tools` utility, on macOS you can use `brew`:
+
+```shell
+brew install wasm-tools
+```
+
+If you have the [Rust toolchain](https://www.rust-lang.org/tools/install), you can use `cargo` to install `wasm-tools`:
 
 ```shell
 cargo install wasm-tools