Completely remove "edition" from capabilities

This removes the "edition" value for the capabilities. We don't need that
anymore.

tests/acceptance/features/coreApiCapabilities/capabilities.feature

@@ -193,17 +193,12 @@ Feature: capabilities
                   "status": {
                     "type": "object",
                     "required": [
-                      "edition",
                       "product",
                       "productname",
                       "version",
                       "versionstring"
                     ],
                     "properties": {
-                      "edition": {
-                        "type": "string",
-                        "enum": ["%edition%"]
-                      },
                       "product": {
                         "type": "string",
                         "enum": ["%productname%"]
@@ -230,7 +225,6 @@ Feature: capabilities
             "type": "object",
             "required": [
               "string",
-              "edition",
               "product"
             ],
             "properties": {
@@ -238,10 +232,6 @@ Feature: capabilities
                 "type": "string",
                 "enum": ["%versionstring%"]
               },
-              "edition": {
-                "type": "string",
-                "enum": ["%edition%"]
-              },
               "product": {
                 "type": "string",
                 "enum": ["%productname%"]

tests/acceptance/features/coreApiCapabilities/capabilitiesWithNormalUser.feature

@@ -47,7 +47,6 @@ Feature: default capabilities for normal user
                     "required": [
                       "version",
                       "versionstring",
-                      "edition",
                       "productname"
                     ],
                     "properties": {
@@ -57,9 +56,6 @@ Feature: default capabilities for normal user
                       "versionstring": {
                         "const": "%versionstring%"
                       },
-                      "edition": {
-                        "const": "%edition%"
-                      },
                       "productname": {
                         "const": "%productname%"
                       }

tests/acceptance/features/coreApiMain/status.feature

@@ -8,5 +8,5 @@ Feature: Status
     When the administrator requests status.php
     Then the status.php response should include
       """
-      {"installed":true,"maintenance":false,"needsDbUpgrade":false,"version":"$CURRENT_VERSION","versionstring":"$CURRENT_VERSION_STRING","edition":"$EDITION","productname":"$PRODUCTNAME","product":"$PRODUCT"}
+      {"installed":true,"maintenance":false,"needsDbUpgrade":false,"version":"$CURRENT_VERSION","versionstring":"$CURRENT_VERSION_STRING","productname":"$PRODUCTNAME","product":"$PRODUCT"}
       """