style: run the purify-text linter on all files

This commit was created by running:
    pre-commit run purify-text --all

.bazelrc

@@ -1 +1 @@
-build --strategy=CoreCompile=standalone
+build --strategy=CoreCompile=standalone

BUILD.bazel

@@ -1,6 +1,5 @@
-
 filegroup(
-    name = "node_modules", 
+    name = "node_modules",
     srcs = glob([
         "node_modules/**/*.js",
         "node_modules/**/*.d.ts",

Makefile

@@ -1,5 +1,5 @@
 # A collection of targets that build routeguide clients
-clients: 
+clients:
 	bazel build \
 		//android/example/routeguide:client \
 		//closure/example/routeguide/client \
@@ -42,4 +42,4 @@ closure_test:
 	bazel test \
 		//github.com/grpc/grpc-web/example/routeguide/...
 
-all: compile library clients servers tests
+all: compile library clients servers tests