MM-36764 mlog refactor (#18118)

Refactor mlog
- simplify mlog by removing redundant code
- remove Zap dependency
- update unit test helpers
- update logging config
- update auditing

Makefile

@@ -453,8 +453,7 @@ run-server: prepackaged-binaries validate-go-version start-docker ## Starts the
 	@echo Running mattermost for development
 
 	mkdir -p $(BUILD_WEBAPP_DIR)/dist/files
-	$(GO) run $(GOFLAGS) -ldflags '$(LDFLAGS)' $(PLATFORM_FILES) 2>&1 | \
-	    $(GO) run $(GOFLAGS) -ldflags '$(LDFLAGS)' $(PLATFORM_FILES) logs --logrus $(RUN_IN_BACKGROUND)
+	$(GO) run $(GOFLAGS) -ldflags '$(LDFLAGS)' $(PLATFORM_FILES) $(RUN_IN_BACKGROUND)
 
 debug-server: start-docker ## Compile and start server using delve.
 	mkdir -p $(BUILD_WEBAPP_DIR)/dist/files