Update license information

BwManagementApi.json

@@ -5,8 +5,8 @@
       "version": "1.1.1",
       "title": "BWM API",
       "license": {
-        "name": "ETSI Forge copyright notice",
-        "url": "https://forge.etsi.org/etsi-forge-copyright-notice.txt"
+        "name": "BSD-3-Clause",
+        "url": "https://forge.etsi.org/legal-matters"
       }
     },
     "externalDocs": {
@@ -670,4 +670,4 @@
         "type": "string"
       }
     }
-  }
\ No newline at end of file
+  }

BwManagementApi.yaml

@@ -5,8 +5,8 @@ info:
   version: 1.1.1
   title: BWM API
   license:
-    name: ETSI Forge copyright notice
-    url: 'https://forge.etsi.org/etsi-forge-copyright-notice.txt'
+    name: BSD-3-Clause
+    url: 'https://forge.etsi.org/legal-matters'
 externalDocs:
   description: ETSI MEC015 V1.1.1 Bandwidth Management API
   url: 'http://www.etsi.org/deliver/etsi_gs/MEC/001_099/015/01.01.01_60/gs_MEC015v010101p.pdf'
@@ -482,4 +482,4 @@ definitions:
   Protocol:
     description: >-
       Protocol number
-    type: string
\ No newline at end of file
+    type: string