Migrate to ibm-watson dependancy

Author: chughts

README.md

@@ -15,7 +15,8 @@ and migrated off watson-developer-cloud to ibm-watson as a npm dependancy.
 Migrated nodes will not be compatible with pre 1.0.0 versions of node-red.
 During the migration there will be a dependancy on both modules.
 - Bump dependancy on node to >=10.0.0
-- Bump dependancy on cfenv, request, file-type, ibm-cloud-sdk-core
+- Bump dependancy on cfenv, request, file-type
+- Remove direct dependancy on ibm-cloud-sdk-core
 - Node-RED & IBM-Watson & Use of promises on API invokation & IAM URL construct migration & Removal of default endpoint of
     - Tone Analyzer node.
     - Personality Insights node.

package.json

@@ -11,7 +11,6 @@
     "qs": "6.x",
     "image-type": "^2.0.2",
     "watson-developer-cloud": "^3.18.3",
-    "ibm-cloud-sdk-core": "^2.0.1",
     "ibm-watson": "^5.2.1",
     "word-count": "^0.2.2",
     "is-docx": "^0.0.3",