[GLOBAL] Migrate to helm v3

Move all Chart.yaml to use apiVersion: 2
Move dependencies from requirements.yaml to Chart.yaml
Changes to all makeFiles
Changes to helm deploy plugin

Signed-off-by: efiacor <fiachra.corcoran@est.tech>
Change-Id: I03c5290eee9e40f76eacbf171e774204cf5fb1c0
Issue-ID: OOM-2845
diff --git a/docs/oom_developer_guide.rst b/docs/oom_developer_guide.rst
index 552aea2..05cdca1 100644
--- a/docs/oom_developer_guide.rst
+++ b/docs/oom_developer_guide.rst
@@ -85,7 +85,6 @@
   common
   ├── cassandra
   │   ├── Chart.yaml
-  │   ├── requirements.yaml
   │   ├── resources
   │   │   ├── config
   │   │   │   └── docker-entrypoint.sh
@@ -121,7 +120,6 @@
   ├── ...
   └── postgres-legacy
       ├── Chart.yaml
-      ├── requirements.yaml
       ├── charts
       └── configs
 
@@ -137,7 +135,6 @@
 
   name-of-my-component
   ├── Chart.yaml
-  ├── requirements.yaml
   ├── component
   │   └── subcomponent-folder
   ├── charts
@@ -182,7 +179,7 @@
   component2:
     enabled: true
 
-Then in `requirements.yaml`, you'll use these values:
+Then in `Chart.yaml` dependencies section, you'll use these values:
 
 .. code-block:: yaml