Update Dockerfile

Author: luanxu-mxc

Dockerfile

@@ -4,7 +4,7 @@ ARG VERSION=""
 ARG BUILDNUM=""
 
 # Build Geth in a stock Go builder container
-FROM --platform=${BUILDPLATFORM} golang:1.23-alpine as builder
+FROM golang:1.23-alpine as builder
 
 RUN apk add --no-cache gcc musl-dev linux-headers git