Delete checkstyle config that is no longer supported (#1064)

checkstyle/checkstyle#3671
checkstyle/checkstyle#3573
diff --git a/src/main/resources/org/apache/fluo/resources/java-checkstyle.xml b/src/main/resources/org/apache/fluo/resources/java-checkstyle.xml
index 24a401d..cb5450c 100644
--- a/src/main/resources/org/apache/fluo/resources/java-checkstyle.xml
+++ b/src/main/resources/org/apache/fluo/resources/java-checkstyle.xml
@@ -30,7 +30,6 @@
   <module name="TreeWalker">
     <module name="SuppressWithNearbyCommentFilter"/>
     <module name="SuppressionCommentFilter"/>
-    <module name="FileContentsHolder"/>
     <module name="OuterTypeFilename"/>
     <module name="IllegalTokenText">
       <property name="tokens" value="STRING_LITERAL, CHAR_LITERAL"/>
@@ -55,9 +54,7 @@
       <property name="tokens" value="LITERAL_TRY, LITERAL_CATCH, LITERAL_FINALLY, LITERAL_IF, LITERAL_ELSE, LITERAL_SWITCH"/>
     </module>
     <module name="NeedBraces"/>
-    <module name="LeftCurly">
-      <property name="maxLineLength" value="100"/>
-    </module>
+    <module name="LeftCurly"/>
     <module name="RightCurly"/>
     <module name="RightCurly">
       <property name="option" value="alone"/>