Revert "updated FQDN's to googleapis.com with a trailing dot (#2214)" (#2283)

This reverts commit 13d4ed5.

Author: stephenplusplus

handwritten/spanner/src/index.js

@@ -76,7 +76,7 @@ function Spanner(options) {
   };
 
   var config = {
-    baseUrl: 'spanner.googleapis.com.',
+    baseUrl: 'spanner.googleapis.com',
     protoServices: {
       Operations: {
         path: googleProtoFiles('longrunning/operations.proto'),

handwritten/spanner/test/index.js

@@ -202,7 +202,7 @@ describe('Spanner', function() {
       var calledWith = spanner.calledWith_[0];
 
       assert.deepEqual(calledWith, {
-        baseUrl: 'spanner.googleapis.com.',
+        baseUrl: 'spanner.googleapis.com',
         protoServices: {
           Operations: {
             path: googleProtoFiles('longrunning', 'operations.proto'),