*: clean up doc.

Makefile

@@ -37,33 +37,5 @@ format:
 	@cargo fmt -- --write-mode diff | grep "Diff at line" > /dev/null && cargo fmt -- --write-mode overwrite | grep -v "found TODO" || exit 0
 	@rustfmt --write-mode diff tests/tests.rs benches/benches.rs | grep "Diff at line" > /dev/null && rustfmt --write-mode overwrite tests/tests.rs benches/benches.rs | grep -v "found TODO" || exit 0
 
-check_req:
-	DEPS_PATH=$(DEPS_PATH) GOROOT=$(GOROOT) ./scripts/check_req.sh
-
-rocksdb: 
-	DEPS_PATH=$(DEPS_PATH) ./scripts/build_rocksdb.sh
-
-$(BIN_PATH)/pd-server: 
-	@DEPS_PATH=$(DEPS_PATH) BIN_PATH=$(BIN_PATH) PATH=$(PATH):$(GOROOT)/bin GOROOT=$(GOROOT) ./scripts/build_pd.sh
-
-pd: $(BIN_PATH)/pd-server
-
-$(BIN_PATH)/tidb-server: 
-	@DEPS_PATH=$(DEPS_PATH) BIN_PATH=$(BIN_PATH) PATH=$(PATH):$(GOROOT)/bin GOROOT=$(GOROOT) ./scripts/build_tidb.sh
-
-tidb: $(BIN_PATH)/tidb-server
-
-deps: rocksdb pd tidb
-
-install: check_req deps release
-	@cp -f ./target/release/tikv-server $(BIN_PATH)
-
-clean_pd:
-	@rm -f $(BIN_PATH)/pd-server
-
-clean_tidb:
-	@rm -f $(BIN_PATH)/tidb-server
-
 clean:
 	cargo clean
-	@rm -rf $(DEPS_PATH) $(BIN_PATH)

README.md

@@ -37,9 +37,18 @@ This figure represents tikv-server software stack.
 
 When a node starts, the metadata of node, store and region are registered into PD. The status of each Region and Store is reported to PD regularly.
 
-### Usage
+### Build
 
-See [Usage](./USAGE.md) for how to install and run TiKV.
+TiKV is a component in TiDB project, you must build and run it with TiDB and PD together.
+
+The easily way to build TiDB project is to follow [user build guide](https://github.com/pingcap/docs/blob/master/op-guide/build.md).
+If you are a developer, you can also follow [dev build guide](https://github.com/pingcap/docs/blob/master/dev-guide/build.md).
+
+### Next steps
+
++ Read the [clustering doc](https://github.com/pingcap/docs/blob/master/op-guide/clustering.md) on how to run TiDB project.
++ Learn the [configuration explanation](https://github.com/pingcap/docs/blob/master/op-guide/configuration.md).
++ Use [docker](https://github.com/pingcap/docs/blob/master/op-guide/docker.md) to run TiDB project.
 
 ### Contributing