Remove old generated directories from dependabot. (#72)

These never worked quite right, so let's disable them for now: #51

We can probably come up with some better solution now with the new codegen scripts, but I'll leave that for later.

Signed-off-by: Matt Moyer <moyerm@vmware.com>

.github/dependabot.yml

@@ -12,16 +12,6 @@ updates:
     schedule:
       interval: "daily"
 
-  - package-ecosystem: "gomod"
-    directory: "/kubernetes/1.19/client-go/"
-    schedule:
-      interval: "daily"
-
-  - package-ecosystem: "gomod"
-    directory: "/kubernetes/1.19/api/"
-    schedule:
-      interval: "daily"
-
   - package-ecosystem: "gomod"
     directory: "/pkg/client"
     schedule: