chore: remove Go/templ legacy implementation

Dockerfile

@@ -1,16 +0,0 @@
-# Build.
-FROM golang:1.24.0 AS build-stage
-WORKDIR /app
-COPY go.mod go.sum ./
-RUN go mod download
-COPY . /app
-RUN CGO_ENABLED=0 GOOS=linux go build -o ./entrypoint
-
-# Deploy.
-FROM gcr.io/distroless/static-debian11 AS release-stage
-WORKDIR /
-COPY --from=build-stage /app/entrypoint /entrypoint
-COPY --from=build-stage /app/assets /assets
-EXPOSE 8080
-USER nonroot:nonroot
-ENTRYPOINT ["/entrypoint"]