remove stale install.sh

install.sh

@@ -1,17 +0,0 @@
-#!/bin/bash
-
-case $OSTYPE in
-  darwin*)
-    cargo build --release
-    mkdir -p $HOME/Applications
-    APP=$HOME/Applications/WezTerm.app
-    rm -rf $APP
-    cp -r assets/macos/WezTerm.app $APP && \
-      cp target/release/wezterm $APP && \
-        echo "Installed to $APP"
-    ;;
-  *)
-    echo "Don't know how to install the app on this system"
-    exit 1
-    ;;
-esac