removed unused things from gitignore

.gitignore

@@ -29,7 +29,6 @@ enterprise
 compile_commands.json
 instanceinfo.json
 testresult.json
-botschaft.txt
 testsStarted
 
 build.sh
@@ -59,13 +58,6 @@ Documentation/Examples/*.generated
 
 UnitTests/HttpInterface/logs/
 
-arangod/Aql/grammar.c
-arangod/Aql/grammar.cpp
-arangod/Aql/grammar.h
-arangod/Aql/grammar.hpp
-arangod/Aql/grammar.output
-arangod/Aql/tokens.cpp
-
 bin/
 logs/
 output/
@@ -73,16 +65,6 @@ out/
 
 etc/arangodb/*.conf
 
-js/common/bootstrap/errors.js
-
-lib/Basics/local-configuration.h
-lib/Basics/stamp-h2
-lib/Basics/voc-errors.cpp
-lib/Basics/voc-errors.h
-lib/JsonParser/json-parser.c
-lib/JsonParser/json-parser.cpp
-lib/V8/v8-json.cpp
-
 Installation/epm/arangodb.sublist
 Installation/MacOSX/Bundle/Info.plist
 
@@ -113,7 +95,6 @@ js/apps/system/_admin/aardvark/APP/frontend/build/libs.js.gz
 js/apps/system/_admin/aardvark/APP/frontend/build/style.css
 js/apps/system/_admin/aardvark/APP/frontend/build/scripts.html.part
 
-3rdParty/etcd/src/
 3rdParty/boost/1.61.0/b2
 3rdParty/boost/1.61.0/bin.v2/
 3rdParty/boost/1.61.0/bjam
@@ -123,6 +104,5 @@ js/apps/system/_admin/aardvark/APP/frontend/build/scripts.html.part
 .gdb-history
 npm-debug.log
 
-UNITTEST_RESULT*
 log-*
 data-*