build: remove unused variable in docs-content publishing script (#17703)
build: remove unused variable in docs-content publishing script (#17703)

This is a minor change for code health and removes an unnecessary
variable in the docs-content publish script
josephperrott/material2,josephperrott/material2,crisbeto/material2,josephperrott/material2,josephperrott/material2,mmalerba/material2,Jefiozie/material2,DevVersion/material2,crisbeto/material2,andrewseguin/material2,mmalerba/material2,angular/components,josephperrott/material2,Jefiozie/material2,DevVersion/material2,angular/components,angular/components,Jefiozie/material2,DevVersion/material2,andrewseguin/material2,DevVersion/material2,angular/components,Jefiozie/material2,DevVersion/material2,mmalerba/material2,mmalerba/material2,Jefiozie/material2,mmalerba/material2,andrewseguin/material2,andrewseguin/material2,crisbeto/material2,crisbeto/material2,andrewseguin/material2