[ZEPPELIN-6116] Switch from npm install --no-lockfile to npm ci

### What is this PR for?
tiny fix to make code cleaner

### What type of PR is it?
Refactoring

### What is the Jira issue?
https://issues.apache.org/jira/browse/ZEPPELIN-6116

Closes #4855 from Charlie91/delete-useless-npm-flag.

Signed-off-by: Cheng Pan <[email protected]>

Author: Charlie91

zeppelin-web-angular/pom.xml

@@ -80,7 +80,7 @@
             </goals>
             <configuration>
               <skip>${web.e2e.enabled}</skip>
-              <arguments>install --no-lockfile</arguments>
+              <arguments>ci</arguments>
             </configuration>
           </execution>
 

zeppelin-web/pom.xml

@@ -119,7 +119,7 @@
             </goals>
             <configuration>
               <skip>${web.e2e.enabled}</skip>
-              <arguments>install --no-lockfile</arguments>
+              <arguments>ci</arguments>
             </configuration>
           </execution>