Datasource: Remove support for unencrypted passwords (#49987)

* Datasource: Remove support for unencrypted passwords

* regenerate swagger

* [WIP] Remove references to datasource password and basic auth password fields (#50015)

* try delete moar tings

* delete provisioning stuff

* remove from yaml

* update snapshots

* remove lingering snapshot fields

* fix ds http settings

* Re-generate swagger and fix swagger-api-spec make target

Co-authored-by: Will Browne <will.browne@grafana.com>
Co-authored-by: Will Browne <wbrowne@users.noreply.github.com>

pkg/services/provisioning/datasources/testdata/all-properties/all-properties.yaml

@@ -6,12 +6,10 @@ datasources:
     access: proxy
     orgId: 2
     url: url
-    password: password
     user: user
     database: database
     basicAuth: true
     basicAuthUser: basic_auth_user
-    basicAuthPassword: basic_auth_password
     withCredentials: true
     isDefault: true
     jsonData:

pkg/services/provisioning/datasources/testdata/all-properties/sample.yaml

@@ -9,12 +9,10 @@ apiVersion: 1
 #    access: proxy
 #    orgId: 2
 #    url: url
-#    password: password
 #    user: user
 #    database: database
 #    basicAuth: true
 #    basicAuthUser: basic_auth_user
-#    basicAuthPassword: basic_auth_password
 #    withCredentials: true
 #    jsonData:
 #      graphiteVersion: "1.1"