Revert "allow configuring build target"

This reverts commit 16c8b610. We don't need this any more.

buildjob

@@ -32,9 +32,8 @@ if [[ -n "$MANGLE_NAMES" ]]; then
 fi
 
 # Build
-BUILD_TARGET=${BUILD_TARGET:-all}
-echo_color "$BOLDGREEN" "[buildjob] Perfoming build (target: $BUILD_TARGET)"
-time make $BUILD_TARGET --output-sync --no-print-directory -k -j$CPU_CORES TIMED=y 2>&1 | tee build-log.txt
+echo_color "$BOLDGREEN" "[buildjob] Perfoming build"
+time make --output-sync --no-print-directory -k -j$CPU_CORES TIMED=y 2>&1 | tee build-log.txt
 echo_color "$BOLDGREEN" "[buildjob] Build time summary"
 cat build-log.txt | egrep "(real|user): [0-9]" | tee build-time.txt