Remove png's/LFS (#10)

What the title says. We currently cannot clone develop or the commit
that the gdasapp uses:


![jcb-error](https://github.com/user-attachments/assets/cbd83bef-16e6-47f8-a775-36043b438795)

Cloning this branch works:
```console
git clone --branch feature/ciao-lfs https://github.com/NOAA-EMC/jcb.git
Cloning into 'jcb'...
remote: Enumerating objects: 659, done.
remote: Counting objects: 100% (21/21), done.
remote: Compressing objects: 100% (21/21), done.
remote: Total 659 (delta 0), reused 1 (delta 0), pack-reused 638
Receiving objects: 100% (659/659), 121.50 KiB | 5.28 MiB/s, done.
Resolving deltas: 100% (286/286), done.
```

README.md

@@ -1,23 +1,4 @@
-<div
-  align="center"
->
-
-<img
-  style="vertical-align:middle"
-  src="https://github.com/danholdaway/jcb/blob/develop/etc/jcb.png"
-  width="30%"
-  alt="JEDI Configuration Builder"
-/>
-
-<img
-  style="vertical-align:middle"
-  src="https://github.com/danholdaway/jcb/blob/develop/etc/jcb-text.png"
-  width="40%"
-  alt="JEDI Configuration Builder"
-/>
-</div>
-
-#
+# JEDI Configuration Builder
 
 ### Repository status: