enhance: Tidy compactor and remove dup codes

Add compaction package
remove compactor.go and compactor_test.go

Signed-off-by: yangxuan <xuan.yang@zilliz.com>

Makefile

@@ -479,6 +479,7 @@ generate-mockery-datanode: getdeps
 	$(INSTALL_PATH)/mockery --name=BinlogIO --dir=$(PWD)/internal/datanode/io --output=$(PWD)/internal/datanode/io --filename=mock_binlogio.go --with-expecter --structname=MockBinlogIO --outpkg=io --inpackage
 	$(INSTALL_PATH)/mockery --name=FlowgraphManager --dir=$(PWD)/internal/datanode --output=$(PWD)/internal/datanode --filename=mock_fgmanager.go --with-expecter --structname=MockFlowgraphManager --outpkg=datanode --inpackage
 	$(INSTALL_PATH)/mockery --name=ChannelManager --dir=$(PWD)/internal/datanode --output=$(PWD)/internal/datanode --filename=mock_channelmanager.go --with-expecter --structname=MockChannelManager --outpkg=datanode --inpackage
+	$(INSTALL_PATH)/mockery --name=Compactor --dir=$(PWD)/internal/datanode/compaction --output=$(PWD)/internal/datanode/compaction --filename=mock_compactor.go --with-expecter --structname=MockCompactor --outpkg=compaction --inpackage
 
 generate-mockery-metastore: getdeps
 	$(INSTALL_PATH)/mockery --name=RootCoordCatalog --dir=$(PWD)/internal/metastore --output=$(PWD)/internal/metastore/mocks --filename=mock_rootcoord_catalog.go --with-expecter --structname=RootCoordCatalog --outpkg=mocks
@@ -521,4 +522,4 @@ mmap-migration:
 	@source $(PWD)/scripts/setenv.sh && \
     		mkdir -p $(INSTALL_PATH) && go env -w CGO_ENABLED="1" && \
     		GO111MODULE=on $(GO) build -ldflags="-r $${RPATH} -X '$(OBJPREFIX).BuildTags=$(BUILD_TAGS)' -X '$(OBJPREFIX).BuildTime=$(BUILD_TIME)' -X '$(OBJPREFIX).GitCommit=$(GIT_COMMIT)' -X '$(OBJPREFIX).GoVersion=$(GO_VERSION)'" \
-    		-tags dynamic -o $(INSTALL_PATH)/mmap-migration $(MMAP_MIGRATION_PATH)/main.go 1>/dev/null
+    		-tags dynamic -o $(INSTALL_PATH)/mmap-migration $(MMAP_MIGRATION_PATH)/main.go 1>/dev/null