Revert "Add fallback to Thread Context Class Loader for resource loading"

Author: gracekarina

modules/swagger-parser-v3/src/main/java/io/swagger/v3/parser/util/ClasspathHelper.java

@@ -13,7 +13,7 @@ public static String loadFileFromClasspath(String location) {
         String file = FilenameUtils.separatorsToUnix(location);
 
         InputStream inputStream = ClasspathHelper.class.getResourceAsStream(file);
-        
+
         if(inputStream == null) {
             inputStream = ClasspathHelper.class.getClassLoader().getResourceAsStream(file);
         }
@@ -22,10 +22,6 @@ public static String loadFileFromClasspath(String location) {
             inputStream = ClassLoader.getSystemResourceAsStream(file);
         }
 
-        if(inputStream == null) {
-            inputStream = Thread.currentThread().getContextClassLoader().getResourceAsStream(file);
-        }
-
         if(inputStream != null) {
             try {
                 return IOUtils.toString(inputStream);