Drop remaining vestiges of $LINT

This got removed in commit 15be883595.

packaging/cockpit-starter-kit.spec.in

@@ -32,7 +32,7 @@ rm -rf dist
 %endif
 
 %build
-LINT=0 NODE_ENV=production make
+NODE_ENV=production make
 
 %install
 %make_install PREFIX=/usr

test/run

@@ -8,8 +8,5 @@ TEST_SCENARIO="${TEST_SCENARIO:-}"
 [ "${TEST_SCENARIO}" = "${TEST_SCENARIO##firefox}" ] || export TEST_BROWSER=firefox
 export RUN_TESTS_OPTIONS=--track-naughties
 
-# linters are off by default for production builds, but we want to run them in CI
-export LINT=1
-
 make codecheck
 make check