Remove unnecessary parsing branch and --armor

Per the new bash guidelines the -*) branch is not necessary and it also
seems like `--armor` is unnecessary.

Author: Jontified

ci/verify-locked-down-signatures.sh

@@ -23,13 +23,8 @@ while [ "$#" -gt 0 ]; do
             whitelisted_commit="$2"
             shift
             ;;
-        -*)
-            echo "Unknown option \"$1\"
-The options are --import-gpg-keys and --whitelist"
-            exit 1
-            ;;
         *)
-            echo "Unknown argument
+            echo "Unknown argument $1
 The options are --import-gpg-keys and --whitelist"
             exit 1
             ;;
@@ -40,7 +35,7 @@ done
 if [[ "$import_gpg_keys" == "true" ]]; then
     GNUPGHOME=$(mktemp -d)
     for key in $SCRIPT_DIR/keys/*; do
-        gpg --import --armor $key
+        gpg --import $key
     done
 fi