Move some .cc files next to their corresponding headers

Change-Id: I8a6bbdc7edeb8b6d746f08f593b1655e7260cd03
diff --git a/aos/linux_code/ipc_lib/BUILD b/aos/linux_code/ipc_lib/BUILD
index 576774e..2b90c34 100644
--- a/aos/linux_code/ipc_lib/BUILD
+++ b/aos/linux_code/ipc_lib/BUILD
@@ -67,8 +67,8 @@
     'queue.h',
   ],
   deps = [
-    '//aos/linux_code/ipc_lib:condition',
-    '//aos/linux_code/ipc_lib:mutex',
+    '//aos/common:condition',
+    '//aos/common:mutex',
     ':core_lib',
     ':shared_mem',
     '//aos/common/logging:logging_interface',
@@ -107,7 +107,7 @@
     '//aos/testing:googletest',
     '//aos/common:time',
     '//aos/common:queue_testutils',
-    '//aos/linux_code/ipc_lib:mutex',
+    '//aos/common:mutex',
     ':core_lib',
     '//aos/common:die',
     '//aos/common/libc:dirname',
@@ -122,43 +122,3 @@
     ':queue',
   ],
 )
-
-cc_library(
-  name = 'condition',
-  visibility = ['//aos/common:__pkg__'],
-  srcs = [
-    'condition.cc',
-  ],
-  deps = [
-    ':mutex',
-    '//aos/common:real_condition',
-    ':aos_sync',
-    '//aos/common/logging:logging_interface',
-  ],
-)
-
-cc_library(
-  name = 'mutex',
-  srcs = [
-    'mutex.cc',
-  ],
-  deps = [
-    ':aos_sync',
-    '//aos/common/logging:logging_interface',
-    '//aos/common:type_traits',
-    '//aos/common:mutex',
-  ],
-)
-
-cc_library(
-  name = 'event',
-  visibility = ['//aos/common:__pkg__'],
-  srcs = [
-    'event.cc',
-  ],
-  deps = [
-    ':aos_sync',
-    '//aos/common/logging:logging_interface',
-    '//aos/common:real_event',
-  ],
-)