Remove unused FULL_NAVBAR configuration setting.

(imported from commit 47c3be669f7ba44426301a46e3f54054f3e2440b)

zerver/context_processors.py

@@ -7,7 +7,6 @@ from zproject.backends import password_auth_enabled, dev_auth_enabled, google_au
 def add_settings(request):
     realm = request.user.realm if hasattr(request.user, "realm") else None
     return {
-        'full_navbar':   settings.FULL_NAVBAR,
         # We use the not_enterprise variable name so that templates
         # will render even if the appropriate context is not provided
         # to the template

zproject/settings.py

@@ -796,11 +796,6 @@ if POPULATE_PROFILE_VIA_LDAP and \
 else:
     POPULATE_PROFILE_VIA_LDAP = 'zproject.backends.ZulipLDAPAuthBackend' in AUTHENTICATION_BACKENDS or POPULATE_PROFILE_VIA_LDAP
 
-if DEPLOYED:
-    FULL_NAVBAR    = False
-else:
-    FULL_NAVBAR    = True
-
 # If an email host is not specified, fail silently and gracefully
 if not EMAIL_HOST and DEPLOYED:
     EMAIL_BACKEND = 'django.core.mail.backends.dummy.EmailBackend'