Improve comments

git-svn-id: https://svn.xwiki.org/svnroot/xwiki/platform/core/trunk@16279 f329d543-caf0-0310-9063-dda96c69346f

pom.xml

@@ -42,7 +42,7 @@
   </scm>
   <dependencyManagement>
     <dependencies>
-      <!-- Standard dependencies used in several modules, essential for XWiki -->
+      <!-- Standard dependencies used in several modules -->
       <!-- Groovy engine -->
       <dependency>
         <groupId>com.sun.script</groupId>

xwiki-rendering/pom.xml

@@ -36,7 +36,7 @@
   <description>XWiki Platform - Core - Rendering - Parent POM</description>
   <dependencyManagement>
     <dependencies>
-      <!-- Standard dependencies used in several modules, essential for XWiki -->
+      <!-- Standard dependencies used in several modules -->
       <!-- Wiki Model -->
       <dependency>
         <groupId>org.wikimodel</groupId>