remove rustup from flake

Author: georgesFoundation

flake.nix

@@ -164,13 +164,12 @@
                   	  
                   export SOURCE_DATE_EPOCH=$(git log -1 --format=%ct HEAD 2>/dev/null || echo "0")
                   export TZ=UTC
-                  export RUSTUP_HOME=$PWD/.rustup
                   export CARGO_HOME=$PWD/.cargo
-                  export PATH=$PATH:''${CARGO_HOME}/bin:''${RUSTUP_HOME}/toolchains/$RUSTC_VERSION-x86_64-unknown-linux-gnu/bin/
-                  # export CC="arm-none-eabi-gcc"
-                  export CC_thumbv7em_none_eabi="arm-none-eabi-gcc"
                   export CARGO_NET_GIT_FETCH_WITH_CLI=true
                   export CARGO_INCREMENTAL=0
+                  export PATH=$PATH:''${CARGO_HOME}/bin
+                  # export CC="arm-none-eabi-gcc"
+                  export CC_thumbv7em_none_eabi="arm-none-eabi-gcc"
                   export PROBE_RS_PROTOCOL=swd
                   export PROBE_RS_CHIP=nrf52805_xxAA
                 '';