refactor: dev optimizations + improvements

server/views/main/login.pug

@@ -1,7 +1,5 @@
 extends ../master.pug
 
 block body
-  body
-    #app.is-fullscreen
-      login
-      navigator
+  #app.is-fullscreen
+    login

server/views/main/welcome.pug

@@ -1,11 +1,10 @@
 extends ../master.pug
 
 block body
-  body
-    #app.is-fullscreen
-      v-app
-        .onboarding
-          img(src='/svg/logo-wikijs.svg', alt='Wiki.js')
-          h1= t('welcome.title')
-          h2= t('welcome.subtitle')
-          v-btn(color='primary', href='/e/home')= t('welcome.createhome')
+  #app.is-fullscreen
+    v-app
+      .onboarding
+        img(src='/svg/logo-wikijs.svg', alt='Wiki.js')
+        h1= t('welcome.title')
+        h2= t('welcome.subtitle')
+        v-btn(color='primary', href='/e/home')= t('welcome.createhome')