Removed some odd dependencies.gwt-user in agen server side war. che-swagger-module in ide gwt war. (eclipse-che#4454)

Author: skabashnyuk

assembly/assembly-ide-war/pom.xml

@@ -99,10 +99,6 @@
             <groupId>org.eclipse.che.lib</groupId>
             <artifactId>che-orion-editor</artifactId>
         </dependency>
-        <dependency>
-            <groupId>org.eclipse.che.lib</groupId>
-            <artifactId>che-swagger-module</artifactId>
-        </dependency>
         <dependency>
             <groupId>org.eclipse.che.plugin</groupId>
             <artifactId>che-plugin-composer-ide</artifactId>

assembly/assembly-wsagent-war/pom.xml

@@ -26,10 +26,6 @@
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
         </dependency>
-        <dependency>
-            <groupId>com.google.gwt</groupId>
-            <artifactId>gwt-user</artifactId>
-        </dependency>
         <dependency>
             <groupId>com.google.inject</groupId>
             <artifactId>guice</artifactId>