Revert "Speed up docker image build by use layer cache (#4038)" (#4054)

This reverts commit e758fb8.

.github/workflows/ci.yml

@@ -76,11 +76,4 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - run: git submodule update --init --recursive --force
-
-      # In this step, this action saves a list of existing images,
-      # the cache is created without them in the post run.
-      # It also restores the cache if it exists.
-      - uses: satackey/[email protected]
-        continue-on-error: false
-
       - run: docker build .

Dockerfile

@@ -4,13 +4,6 @@ FROM docker.io/library/golang:1.18-alpine3.15 AS builder
 RUN apk --no-cache add make gcc g++ linux-headers git bash ca-certificates libgcc libstdc++
 
 WORKDIR /app
-
-# Get dependencies - will also be cached if we won't change go.mod/go.sum
-COPY go.mod .
-COPY go.sum .
-RUN go mod download
-
-
 ADD . .
 
 RUN make erigon rpcdaemon integration sentry txpool downloader hack observer db-tools