update image in the intro to laconic blog post (#146)

* rm erc20 blog post, add stack diagram image

* edit imh

json/site_content/blogPost/intro-to-the-laconic-stack.json

@@ -16,7 +16,7 @@
         "name": "Zach Ramsay"
       },
       "image": {
-        "url": "/images/site_content/blogPost/intro-to-the-laconic-stack.png"		  
+        "url": "/images/site_content/blogPost/stack-diagram2.png"		  
       },
       "content": {
         "blocks": [
@@ -81,20 +81,7 @@
               "children": [
                 {
                   "type": "span",
-                  "value": "Let’s take a look at the following core stack diagram:"
-                }
-              ]
-            },
-            {
-              "item": "63992474",
-              "type": "block"
-            },
-            {
-              "type": "paragraph",
-              "children": [
-                {
-                  "type": "span",
-                  "value": "Note: this diagram intentionally leaves out several repositories (e.g., codecs, utilities, rpc shims). This is done for simplicity reasons and anyone diving deep into the stack will discover them.\n\nThe two repositories at the top are also the main entry points for most developers. `"
+                  "value": "Refer back to the diagram at the top of this page. It intentionally leaves out several repositories (e.g., codecs, utilities, rpc shims). This is done for simplicity reasons and anyone diving deep into the stack will discover them.\n\nThe two repositories at the top are also the main entry points for most developers. `"
                 },
                 {
                   "url": "https://github.com/cerc-io/stack-orchestrator",
@@ -149,7 +136,7 @@
                 },
                 {
                   "type": "span",
-                  "value": "` repo contains the publically available Watchers and the code to generate them. Watchers are TypeScript that is generated from one or more Solidity smart contracts. Dapp Developers can participate in the Laconic Network by either 1) writing a custom watcher for their Dapp or 2) writing a generally useful watcher and publishing it to the Laconic Registry, thus earning a fee every time it is used. We’ll come back to Watchers later."
+                  "value": "` repo contains the core watcher generator codebase. Watchers are TypeScript that is generated from one or more Solidity smart contracts. Dapp Developers can participate in the Laconic Network by either 1) writing a custom watcher for their Dapp or 2) writing a generally useful watcher and publishing it to the Laconic Registry, thus earning a fee every time it is used. We’ll come back to Watchers later."
                 }
               ]
             },
@@ -601,4 +588,4 @@
       ]
     }
   }
-}
+}