Remove snapshot log parsing and option from tools.

tools/tickprocessor-driver.js

Index: tools/tickprocessor-driver.js
diff --git a/tools/tickprocessor-driver.js b/tools/tickprocessor-driver.js
index dc8a87d9ecbcdf628fbe58cfa9e65b07168fbf60..3f2321fed19d639f3f943140574b04d8bda4e885 100644
--- a/tools/tickprocessor-driver.js
+++ b/tools/tickprocessor-driver.js
@@ -61,18 +61,12 @@ if (params.sourceMap) {
   initSourceMapSupport();
   sourceMap = SourceMap.load(params.sourceMap);
 }
-var snapshotLogProcessor;
-if (params.snapshotLogFileName) {
-  snapshotLogProcessor = new SnapshotLogProcessor();
-  snapshotLogProcessor.processLogFile(params.snapshotLogFileName);
-}
 var tickProcessor = new TickProcessor(
   new (entriesProviders[params.platform])(params.nm, params.targetRootFS),
   params.separateIc,
   params.callGraphSize,
   params.ignoreUnknown,
   params.stateFilter,
-  snapshotLogProcessor,
   params.distortion,
   params.range,
   sourceMap,