ci: drop sqlc from Docker build

sqlc-generated code is committed, no need to install and run it
during docker image builds

Dockerfile

@@ -18,9 +18,6 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
 RUN curl -fsSL https://bun.sh/install | bash
 ENV PATH="/root/.bun/bin:${PATH}"
 
-# Install sqlc for code generation
-RUN go install github.com/sqlc-dev/sqlc/cmd/sqlc@v1.30.0
-
 ENV GOPROXY=direct
 COPY go.mod go.sum ./
 RUN go mod download
@@ -34,9 +31,6 @@ COPY . .
 # Ensure dist is clean at build time (belt + suspenders)
 RUN rm -rf dist/ && bun run build:assets
 
-# Generate sqlc code
-RUN sqlc generate
-
 # Build the server and CLI tools
 RUN go build -ldflags="-s -w" -o main_server ./cmd/server
 RUN go build -ldflags="-s -w" -o create-user ./cmd/user