Move EthereumAPIs Into Prysm (#8968)

* begin move

* use same import path

* imports

* regen protos

* regen

* no rename

* generate ssz

* gaz

* fmt

* edit build file

* imports

* modify

* remove generated files

* remove protos

* edit imports in prysm

* beacon chain all builds

* edit script

* add generated pbs

* add replace rules

* license for ethereumapis protos

* change visibility

* fmt

* update build files to gaz ignore

* use proper form

* edit imports

* wrap block

* revert scripts

* revert go mod

tools/forkchecker/BUILD.bazel

@@ -7,9 +7,9 @@ go_library(
     importpath = "github.com/prysmaticlabs/prysm/tools/forkchecker",
     visibility = ["//visibility:private"],
     deps = [
+        "//proto/eth/v1alpha1:go_default_library",
         "//shared/params:go_default_library",
         "@com_github_prysmaticlabs_eth2_types//:go_default_library",
-        "@com_github_prysmaticlabs_ethereumapis//eth/v1alpha1:go_default_library",
         "@com_github_sirupsen_logrus//:go_default_library",
         "@org_golang_google_grpc//:go_default_library",
         "@org_golang_google_protobuf//types/known/emptypb:go_default_library",

tools/forkchecker/forkchecker.go

@@ -17,7 +17,7 @@ import (
 	"time"
 
 	types "github.com/prysmaticlabs/eth2-types"
-	pb "github.com/prysmaticlabs/ethereumapis/eth/v1alpha1"
+	pb "github.com/prysmaticlabs/prysm/proto/eth/v1alpha1"
 	"github.com/prysmaticlabs/prysm/shared/params"
 	"github.com/sirupsen/logrus"
 	"google.golang.org/grpc"