Simplify .gitignore

Signed-off-by: Martin Sustrik <[email protected]>

.gitignore

@@ -1,3 +1,7 @@
+# Ignore all files with no extension
+*
+!*.*
+
 .deps/
 .libs/
 Makefile
@@ -31,77 +35,17 @@ tests/*.o
 test-suite.log
 dns/.deps/
 dns/.dirstamp
-tests/chan
-tests/choose
-tests/example
-tests/fd
-tests/go1
-tests/go2
-tests/go3
-tests/go4
-tests/go5
-tests/sleep
-tests/overload
-tests/signals
-tests/handle
-tests/threads
-tests/threads2
-tests/rbtree
-tests/ipaddr
-tests/tcp
-tests/ipc
-tests/iol
-tests/suffix
-tests/prefix
-tests/udp
-tests/tls
-tests/bundle
-tests/http
-tests/ws
-tests/term
-tests/dtls
-tests/socks5
-tests/happyeyeballs
 perf/.dirstamp
-perf/chan
-perf/ctxswitch
-perf/go
-perf/whispers
-perf/done
-perf/choose
-perf/timer
 *.gcno
 *.gcda
 tests/*.gcno
 tests/*.gcda
 dns/*.gcno
 dns/*.gcda
-tutorial/basics/step1
-tutorial/basics/step2
-tutorial/basics/step3
-tutorial/basics/step4
-tutorial/basics/step5
-tutorial/basics/step6
 tutorial/basics/*.o
 tutorial/basics/.dirstamp
-tutorial/protocol/step1
-tutorial/protocol/step2
-tutorial/protocol/step3
-tutorial/protocol/step4
-tutorial/protocol/step5
-tutorial/protocol/step6
-tutorial/protocol/step7
-tutorial/protocol/step8
-tutorial/protocol/step9
 tutorial/protocol/*.o
 tutorial/protocol/.dirstamp
-tutorial/sockets/step1
-tutorial/sockets/step2
-tutorial/sockets/step3
-tutorial/sockets/step4
-tutorial/sockets/step5
 tutorial/sockets/.dirstamp
 examples/.dirstamp
-examples/socks5proxy
-examples/webapp
 build/