fix homarr release var (#4577)

Author: CrazyWolf13

install/homarr-install.sh

@@ -67,7 +67,6 @@ echo $'#!/bin/bash\ncd /opt/homarr/apps/cli && node ./cli.cjs "$@"' >/usr/bin/ho
 chmod +x /usr/bin/homarr
 mkdir /opt/homarr/build
 cp ./node_modules/better-sqlite3/build/Release/better_sqlite3.node ./build/better_sqlite3.node
-echo "${RELEASE}" >"/opt/${APPLICATION}_version.txt"
 msg_ok "Finished copying"
 
 msg_info "Creating Services"