Remove unit types commits and settings (#2161)

* Remove unit types commits and settings

* Can not limit units in administrator teams

* Limit changing units only to teams with read and write access mode

* Small code optimization

models/fixtures/repo_unit.yml

@@ -10,7 +10,7 @@
   id: 2
   repo_id: 1
   type: 2
-  index: 0
+  index: 1
   config: "{}"
   created_unix: 946684810
 
@@ -18,23 +18,23 @@
   id: 3
   repo_id: 1
   type: 3
-  index: 0
+  index: 2
   config: "{}"
   created_unix: 946684810
 
 -
   id: 4
   repo_id: 1
-  type: 5
-  index: 0
+  type: 4
+  index: 3
   config: "{}"
   created_unix: 946684810
 
 -
   id: 5
   repo_id: 1
-  type: 7
-  index: 0
+  type: 5
+  index: 4
   config: "{}"
   created_unix: 946684810
 
@@ -50,7 +50,7 @@
   id: 7
   repo_id: 3
   type: 2
-  index: 0
+  index: 1
   config: "{}"
   created_unix: 946684810
 
@@ -58,22 +58,22 @@
   id: 8
   repo_id: 3
   type: 3
-  index: 0
+  index: 2
   config: "{}"
   created_unix: 946684810
 
 -
   id: 9
   repo_id: 3
-  type: 5
-  index: 0
+  type: 4
+  index: 3
   config: "{}"
   created_unix: 946684810
 
 -
   id: 10
   repo_id: 3
-  type: 7
-  index: 0
+  type: 5
+  index: 4
   config: "{}"
   created_unix: 946684810