Revert "GEM-3138: Adding memberName to the log pattern (#5795)" (#5816)

This reverts commit a16256c365d75842e2762c4209ca57e8c77b691f.
diff --git a/geode-log4j/src/main/resources/log4j2-cli.xml b/geode-log4j/src/main/resources/log4j2-cli.xml
index 210b5d2..c1a0cf1 100644
--- a/geode-log4j/src/main/resources/log4j2-cli.xml
+++ b/geode-log4j/src/main/resources/log4j2-cli.xml
@@ -15,7 +15,7 @@
   -->
 <Configuration status="WARN" shutdownHook="disable" packages="org.apache.geode">
   <Properties>
-    <Property name="geode-pattern">[%level{lowerCase=true} %date{yyyy/MM/dd HH:mm:ss.SSS z} %memberName &lt;%thread&gt; tid=%hexTid] %message%n%throwable%n</Property>
+    <Property name="geode-pattern">[%level{lowerCase=true} %date{yyyy/MM/dd HH:mm:ss.SSS z} &lt;%thread&gt; tid=%hexTid] %message%n%throwable%n</Property>
   </Properties>
   <Appenders>
     <Console name="STDOUT" target="SYSTEM_OUT">
diff --git a/geode-log4j/src/main/resources/log4j2.xml b/geode-log4j/src/main/resources/log4j2.xml
index 04a8493..5ecb42a 100755
--- a/geode-log4j/src/main/resources/log4j2.xml
+++ b/geode-log4j/src/main/resources/log4j2.xml
@@ -15,7 +15,7 @@
   -->
 <Configuration status="WARN" shutdownHook="disable" packages="org.apache.geode">
   <Properties>
-    <Property name="geode-pattern">[%level{lowerCase=true} %date{yyyy/MM/dd HH:mm:ss.SSS z} %memberName &lt;%thread&gt; tid=%hexTid] %message%n%throwable%n</Property>
+    <Property name="geode-pattern">[%level{lowerCase=true} %date{yyyy/MM/dd HH:mm:ss.SSS z} &lt;%thread&gt; tid=%hexTid] %message%n%throwable%n</Property>
     <Property name="geode-default">true</Property>
   </Properties>
   <Appenders>