.github/workflows: Remove the need to ignore the root doc/ path

The '**/*.md' filter pattern [1] should ignore _all_ markdown extension
files anywhere in the repository.

[1] https://docs.github.com/en/actions/reference/workflow-syntax-for-github-actions#patterns-to-match-file-paths

Signed-off-by: timflannagan <[email protected]>

Author: timflannagan

.github/workflows/build.yml

@@ -2,7 +2,6 @@ name: ci
 on:
   pull_request:
     paths-ignore:
-    - 'doc/**/*.md'
     - '**/*.md'
 jobs:
   image:

.github/workflows/e2e-kind.yml

@@ -2,7 +2,6 @@ name: ci
 on:
   pull_request:
     paths-ignore:
-    - 'doc/**/*.md'
     - '**/*.md'
   schedule:
   - cron: '0 0 * * *' # daily to pick up releases

.github/workflows/e2e-minikube.yml

@@ -2,7 +2,6 @@ name: ci
 on:
   pull_request:
     paths-ignore:
-    - 'doc/**/*.md'
     - '**/*.md'
   schedule:
   - cron: '0 0 * * *' # daily to pick up releases

.github/workflows/e2e-tests.yml

@@ -5,7 +5,6 @@ on:
       - master
   pull_request:
     paths-ignore:
-    - 'doc/**/*.md'
     - '**/*.md'
 jobs:
   e2e-tests:

.github/workflows/unit.yml

@@ -5,7 +5,6 @@ on:
       - master
   pull_request:
     paths-ignore:
-    - 'doc/**/*.md'
     - '**/*.md'
 jobs:
   unit:

.github/workflows/verify.yml

@@ -5,7 +5,6 @@ on:
       - master
   pull_request:
     paths-ignore:
-    - 'doc/**/*.md'
     - '**/*.md'
 jobs:
   verify: