feat: use go embed for swagger (#15216)

Makefile

@@ -185,16 +185,6 @@ go.sum: go.mod
 ###                              Documentation                              ###
 ###############################################################################
 
-update-swagger-docs: statik
-	$(BINDIR)/statik -src=client/docs/swagger-ui -dest=client/docs -f -m
-	@if [ -n "$(git status --porcelain)" ]; then \
-		echo "\033[91mSwagger docs are out of sync!!!\033[0m";\
-		exit 1;\
-	else \
-		echo "\033[92mSwagger docs are in sync\033[0m";\
-	fi
-.PHONY: update-swagger-docs
-
 godocs:
 	@echo "--> Wait a few seconds and visit http://localhost:6060/pkg/github.com/cosmos/cosmos-sdk/types"
 	godoc -http=:6060
@@ -386,7 +376,6 @@ proto-gen:
 proto-swagger-gen:
 	@echo "Generating Protobuf Swagger"
 	@$(protoImage) sh ./scripts/protoc-swagger-gen.sh
-	$(MAKE) update-swagger-docs
 
 proto-format:
 	@$(protoImage) find ./ -name "*.proto" -exec clang-format -i {} \;