[TOOLS] Update symbolicator readme

Author: tmolitor-stud-tu

tools/symbol_extractor/README.md

@@ -39,7 +39,7 @@ containing symbols for some iOS versions.
 
 ## Symbolicator
 The `symbolicator.py` is a small script essentially doing the same as the Crash Analyzer.
-It can be used to do a stand-alone resymbolication of a `*.crash` file, if it is also presented with a `*.json` and `symbols.db` file.
+It can be used to do a stand-alone resymbolication of a `*.crash` file, if it is also presented with a `symbols.db` file.
 
 ## Merger
 The `merger.py` is a small python script to merge two symbols databases into a single one while making sure all internal ids remain