ci: disable frames in lcov HTML coverage report

Change-Id: I0c24a412ca33be034fb27b7055a868112bede462
diff --git a/.jenkins.d/00-deps.sh b/.jenkins.d/00-deps.sh
index 52a8a97..1f004f5 100755
--- a/.jenkins.d/00-deps.sh
+++ b/.jenkins.d/00-deps.sh
@@ -29,7 +29,7 @@
                              libboost-all-dev libssl-dev libsqlite3-dev
 
     if [[ $JOB_NAME == *"code-coverage" ]]; then
-        sudo apt-get -qy install gcovr lcov libgd-perl
+        sudo apt-get -qy install gcovr lcov
     fi
 
 elif has CentOS-8 $NODE_LABELS; then