update change log template

.github/generate_change_log.sh

@@ -19,21 +19,20 @@ while read line; do
         CHANGE_LOG+="$line\n"
     fi
 done < ${change_log_file}
-#MAINNET_ZIP_SUM="$(checksum ./mainnet.zip)"
+MAINNET_ZIP_SUM="$(checksum ./mainnet.zip)"
 TESTNET_ZIP_SUM="$(checksum ./testnet.zip)"
 LINUX_BIN_SUM="$(checksum ./linux/geth)"
 MAC_BIN_SUM="$(checksum ./macos/geth)"
-WINDOWS_BIN_SUM="$(checksum ./windows/geth.exe)"
 OUTPUT=$(cat <<-END
 ## Changelog\n
 ${CHANGE_LOG}\n
 ## Assets\n
 |    Assets    | Sha256 Checksum  |\n
 | :-----------: |------------|\n
+| mainnet.zip | ${MAINNET_ZIP_SUM} |\n
 | testnet.zip | ${TESTNET_ZIP_SUM} |\n
 | geth_linux | ${LINUX_BIN_SUM} |\n
 | geth_mac  | ${MAC_BIN_SUM} |\n
-| geth_windows  | ${WINDOWS_BIN_SUM} |\n
 END
 )