Remove autoescape="strict" attributes from Soy templates.

Strict autoescaping is the default so they serve no purpose.

Design doc: []

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=170905337

java/google/registry/tools/soy/DomainCreate.soy

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-{namespace domain.registry.tools autoescape="strict"}
+{namespace domain.registry.tools}
 /**
  * Create domain
  */