refactoring: Deduplicate code (#10090)

* Deduplicate sync committee indices from state

* Deduplicate code in listblocks RPC endpoints, which only differ in response object

* Deduplicate test code in config/fieldparams

* Delete stale benchmark target. This is already included in go_default_test

* deduplicate test cases in TestIsSlashableValidator_OK and fix blst
BUILD file

* Deduplicate TestStore_IsFinalizedChildBlock

* Revert crypto/bls/blst/BUILD.bazel

* Deduplicate TestStore_SaveBlock_NoDuplicates

* Use a generic wrapper for beacon blocks to streamline test

* Deduplicate TestStore_BlocksCRUD

* Deduplicate TestStore_BlocksHandleZeroCase

* Deduplicate TestStore_BlocksBatchDelete

* deduplicate TestStore_BlocksHandleInvalidEndSlot

* Deduplicate TestStore_BlocksCRUD_NoCache

* Deduplicate common block test setup. Make TestStore_Blocks_FiltersCorrectly support multiple forks in test

* Deduplicate the rest of these tests

* lint

* Deprecation warning

* Add test for WrappedSignedBeaconBlock

* Test error path

config/fieldparams/BUILD.bazel

@@ -12,7 +12,10 @@ go_library(
 
 go_test(
     name = "go_default_test",
-    srcs = ["mainnet_test.go"],
+    srcs = [
+        "common_test.go",
+        "mainnet_test.go",
+    ],
     deps = [
         ":go_default_library",
         "//config/params:go_default_library",
@@ -22,7 +25,10 @@ go_test(
 
 go_test(
     name = "go_minimal_test",
-    srcs = ["minimal_test.go"],
+    srcs = [
+        "common_test.go",
+        "minimal_test.go",
+    ],
     eth_network = "minimal",
     deps = [
         ":go_default_library",