ci: disable frames in lcov HTML coverage report

Change-Id: Ie7ecce199aefc37b95d721f1032ac69ebe3f8338
diff --git a/.jenkins.d/00-deps.sh b/.jenkins.d/00-deps.sh
index 14e41a4..8d98130 100755
--- a/.jenkins.d/00-deps.sh
+++ b/.jenkins.d/00-deps.sh
@@ -30,7 +30,7 @@
                              libpcap-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
diff --git a/.jenkins.d/30-coverage.sh b/.jenkins.d/30-coverage.sh
index dcf7e05..7ea2a91 100755
--- a/.jenkins.d/30-coverage.sh
+++ b/.jenkins.d/30-coverage.sh
@@ -23,7 +23,6 @@
 
     genhtml --branch-coverage \
             --demangle-cpp \
-            --frames \
             --legend \
             --output-directory build/coverage \
             --title "ndn-tools unit tests" \