Logger: Stop using Log.Alarms.Max from config

This is a first step towards removing ConfigurationTable class and
sqlite3 dependency.

Change-Id: Idcd789afe668a5c0271352f1d20d2efda826213a
diff --git a/CommonLibs/Logger.cpp b/CommonLibs/Logger.cpp
index 4e4dbbc..d246584 100644
--- a/CommonLibs/Logger.cpp
+++ b/CommonLibs/Logger.cpp
@@ -36,6 +36,7 @@
 #include "Logger.h"
 #include "Threads.h"	// pat added
 
+#define MAX_ALARMS 20
 
 using namespace std;
 
@@ -212,8 +213,7 @@
 {
     alarmsLock.lock();
     alarmsList.push_back(s);
-	unsigned maxAlarms = gConfig.getNum("Log.Alarms.Max");
-    while (alarmsList.size() > maxAlarms) alarmsList.pop_front();
+    while (alarmsList.size() > MAX_ALARMS) alarmsList.pop_front();
     alarmsLock.unlock();
 }