Remove deprecated vsphere cloud driver in Carbon release

This driver has been marked for deprecation and removal in Carbon.
Release notes were updated accordingly.

Users will need to use the vmware cloud driver instead.

doc/.tx/config

@@ -3662,12 +3662,6 @@ source_file = _build/locale/ref/clouds/all/salt.cloud.clouds.softlayer_hw.pot
 source_lang = en
 source_name = ref/clouds/all/salt.cloud.clouds.softlayer_hw.rst
 
-[salt.ref--clouds--all--salt_cloud_clouds_vsphere]
-file_filter = locale/<lang>/LC_MESSAGES/ref/clouds/all/salt.cloud.clouds.vsphere.po
-source_file = _build/locale/ref/clouds/all/salt.cloud.clouds.vsphere.pot
-source_lang = en
-source_name = ref/clouds/all/salt.cloud.clouds.vsphere.rst
-
 [salt.ref--configuration--index]
 file_filter = locale/<lang>/LC_MESSAGES/ref/configuration/index.po
 source_file = _build/locale/ref/configuration/index.pot

doc/ref/clouds/all/index.rst

@@ -35,4 +35,3 @@ Full list of Salt Cloud modules
     softlayer_hw
     virtualbox
     vmware
-    vsphere

doc/topics/releases/carbon.rst

@@ -272,6 +272,9 @@ Deprecations
       # will result in refresh evaluating to True and saltenv likely not being a string at all
       fcn('add more salt', 'prod', False)
 
+- The ``vsphere`` cloud driver has been removed. Please use the ``vmware`` cloud driver
+  instead.
+
 - The ``boto_vpc`` execution module had two functions removed,
   ``boto_vpc.associate_new_dhcp_options_to_vpc`` and
   ``boto_vpc.associate_new_network_acl_to_subnet`` in favor of more concise function