ci: disable frames in lcov HTML coverage report

Change-Id: Iae08266982f13c535cda646ff60166e20fe3468d
diff --git a/.jenkins.d/00-deps.sh b/.jenkins.d/00-deps.sh
index 458bbd0..d4d9c33 100755
--- a/.jenkins.d/00-deps.sh
+++ b/.jenkins.d/00-deps.sh
@@ -29,6 +29,6 @@
                              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
 fi
diff --git a/.jenkins.d/30-coverage.sh b/.jenkins.d/30-coverage.sh
index 46a6d70..4cce87d 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 "ndncert unit tests" \