Make project filed optional. (#5680) (#11041)

Signed-off-by: nightwatch92 <[email protected]>
Signed-off-by: Modular Magician <[email protected]>

Author: modular-magician

.changelog/5680.txt

@@ -0,0 +1,3 @@
+```release-note:bug
+compute: marked `project` field optional in `google_compute_instance_template` data source
+```

google/data_source_google_compute_instance_template.go

@@ -22,11 +22,8 @@ func dataSourceGoogleComputeInstanceTemplate() *schema.Resource {
 		Optional: true,
 	}
 
-	// Set 'Required' schema elements
-	addRequiredFieldsToSchema(dsSchema, "project")
-
 	// Set 'Optional' schema elements
-	addOptionalFieldsToSchema(dsSchema, "name", "filter", "most_recent")
+	addOptionalFieldsToSchema(dsSchema, "name", "filter", "most_recent", "project")
 
 	dsSchema["name"].ExactlyOneOf = []string{"name", "filter"}
 	dsSchema["filter"].ExactlyOneOf = []string{"name", "filter"}