fix(license): remove scss auto-license in /docs

SCSS files used in jekyll have to start with a front matter comment.

docs/assets/css/style.scss

@@ -1,4 +1,7 @@
-/**
+---
+---
+
+/*
  * Licensed to Apereo under one or more contributor license
  * agreements. See the NOTICE file distributed with this work
  * for additional information regarding copyright ownership.
@@ -16,8 +19,7 @@
  * specific language governing permissions and limitations
  * under the License.
  */
----
----
+
 
 @import "{{ site.theme }}";
 

pom.xml

@@ -258,14 +258,14 @@
             <exclude>**/node_modules/**</exclude>
             <exclude>**/docs/_site/**</exclude>
             <exclude>**/docs/bower_components/**</exclude>
+            <exclude>**/docs/**/*.scss</exclude>
             <exclude>**/*.log*</exclude>
             <exclude>**/*.json</exclude>
             <exclude>**/*.lock</exclude>
             <exclude>.gitignore</exclude>
           </excludes>
           <mapping>
             <less>JAVADOC_STYLE</less>
-            <scss>JAVADOC_STYLE</scss>
             <Gemfile>SCRIPT_STYLE</Gemfile>
             <example>SCRIPT_STYLE</example>
             <uP>XML_STYLE</uP>