Drop protobuf definitions and protobuf code generation

Unused after the gRPC API was removed.

Author: marquiz

Dockerfile_generator

@@ -5,18 +5,7 @@ FROM ${BUILDER_IMAGE} as builder
 RUN --mount=type=cache,target=/go/pkg/mod/ \
     go install github.com/vektra/mockery/[email protected] && \
     go install sigs.k8s.io/controller-tools/cmd/[email protected] && \
-    go install golang.org/x/tools/cmd/[email protected] && \
-    go install github.com/golang/protobuf/[email protected]
-
-RUN apt-get update && apt-get install unzip
-
-RUN curl -LO https://github.com/protocolbuffers/protobuf/releases/download/v25.3/protoc-25.3-linux-x86_64.zip && \
-    unzip protoc-25.3-linux-x86_64.zip -d /usr/local && \
-    rm protoc-25.3-linux-x86_64.zip && \
-    chmod a+x /usr/local/bin/protoc && \
-    find /usr/local -type d | xargs chmod 755 && \
-    find /usr/local -type f | xargs chmod a+r
-
+    go install golang.org/x/tools/cmd/[email protected]
 
 # Expect to be working with nfd
 WORKDIR /go/node-feature-discovery

api/nfd/v1alpha1/doc.go

@@ -19,5 +19,3 @@ limitations under the License.
 // +kubebuilder:object:generate=true
 // +groupName=nfd.k8s-sigs.io
 package v1alpha1
-
-//go:generate ./generate.sh