Removed unnecessary comments

.github/workflows/docker-image.yml

@@ -40,8 +40,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      # Depending on the branch/tag, set CLONE_BRANCH_OR_TAG variable (used in the Dockerfile
-      # as a build arg) and TAG_NAME (used when tagging the image).
+      # Depending on the branch/tag, set TAG_NAME (used when tagging the image).
       #
       # The following 3 steps cover the alternatives (tag, release branch, main branch):
       - run: sudo rm -rf /usr/share/dotnet

tools/docker/matter-builds

@@ -37,12 +37,6 @@ RUN set -x \
     && ./install.sh \
     && : # last line
 
-# To build the image for a branch or a tag of ESP-MATTER, pass --build-arg ESP_MATTER_CLONE_BRANCH_OR_TAG=name.
-# To build the image with a specific commit ID of ESP-MATTER, pass --build-arg ESP_MATTER_CHECKOUT_REF=commit-id.
-# It is possible to combine both, e.g.:
-#   ESP_MATTER_CLONE_BRANCH_OR_TAG=release/vX.Y
-#   ESP_MATTER_CHECKOUT_REF=<some commit on release/vX.Y branch>.
-
 ARG ESP_MATTER_CLONE_URL=https://github.com/espressif/esp-matter.git
 ARG ESP_MATTER_CHECKOUT_REF=main