LPS-52703 Delete .js-cache folder once you transpile the files

We have to delete this folder once we finish with the transpilation,
otherwise it may contain modules from previous transpilations

build-common.xml

@@ -520,7 +520,6 @@ Error-Prone was automatically installed. Please rerun your task.
 				</then>
 			</if>
 
-			<delete dir="@{module.dir}/.js-cache" />
 			<delete dir="@{module.dir}/coverage-reports" />
 			<delete dir="@{module.dir}/javadoc" />
 			<delete dir="@{module.dir}/pmd-reports" />
@@ -2060,6 +2059,8 @@ Please find a solution that does not require portal-impl.jar.
 										newJarFile="${plugin.file}"
 									/>
 
+									<delete dir="@{module.dir}/.js-cache" failonerror="false" />
+
 									<if>
 										<available file="@{module.dir}/docroot/WEB-INF/portlet.xml" />
 										<then>