use default rust version from toolchain config

Signed-off-by: Rajat Jindal <[email protected]>

Author: rajatjindal

scripts/setup-linux.sh

@@ -3,8 +3,7 @@ sudo apt -y update
 sudo apt-get install -y protobuf-compiler libseccomp-dev
 
 echo "setting up rust"
-sudo rustup toolchain install 1.74 --component clippy --component rustfmt --no-self-update
-sudo rustup default 1.74
+sudo rustup toolchain install --component clippy --component rustfmt --no-self-update
 sudo rustup target add wasm32-wasi && sudo rustup target add wasm32-unknown-unknown
 
 ## setup tinygo. required for building test spin app