bike: remove hazmat handling, fixes graphhopper#2840

Author: karussell

core/src/main/java/com/graphhopper/routing/util/parsers/BikeCommonPriorityParser.java

@@ -178,7 +178,7 @@ void collect(ReaderWay way, double wayTypeSpeed, TreeMap<Double, PriorityCode> w
                 || isValidSpeed(maxSpeed) && maxSpeed >= avoidSpeedLimit && !"track".equals(highway)) {
             PriorityCode priorityCode = avoidHighwayTags.get(highway);
             weightToPrioMap.put(50d, priorityCode == null ? AVOID : priorityCode);
-            if (way.hasTag("tunnel", intendedValues) || way.hasTag("hazmat", intendedValues)) {
+            if (way.hasTag("tunnel", intendedValues)) {
                 PriorityCode worse = priorityCode == null ? BAD : priorityCode.worse().worse();
                 weightToPrioMap.put(50d,  worse == EXCLUDE ? REACH_DESTINATION : worse);
             }

core/src/test/java/com/graphhopper/routing/util/parsers/BikeTagParserTest.java

@@ -77,11 +77,6 @@ public void testSpeedAndPriority() {
         way.setTag("bicycle", "dismount");
         assertPriorityAndSpeed(AVOID, PUSHING_SECTION_SPEED, way);
 
-        way.clearTags();
-        way.setTag("highway", "secondary");
-        way.setTag("hazmat", "designated");
-        assertPriorityAndSpeed(BAD, 18, way);
-
         way.clearTags();
         way.setTag("highway", "footway");
         way.setTag("bicycle", "yes");