[build] remove command rustup show

neon/build.sh

@@ -7,14 +7,13 @@ if [ -z "${DUNITER_FAST_BUILD}" ]; then
         curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
         export PATH="$HOME/.cargo/bin:$PATH"
     fi
-
-    rustup show
-    rustc --version
-    cargo --version
 else
     echo "WARNING: you have disabled the automatic update of Rust, remember to update Rust regularly with command \"rustup update\"."
 fi
 
+rustc --version
+cargo --version
+
 cd neon
 
 if [ "${NEON_BUILD_RELEASE}" = "true" ] || [ "${NODE_ENV}" = "production" ]; then