Remove some unnecessary using statements.

diff --git a/src/lib/content.cc b/src/lib/content.cc
index b6f7ebbaafa1284bbce648ebe7e58829d0b2fbbe..064bae553a4511cd7c2c52d07312e486b0f47b7c 100644 (file)
--- a/src/lib/content.cc
+++ b/src/lib/content.cc
@@ -48,8 +48,6 @@
 using std::cout;
 using std::list;
 using std::make_shared;
-using std::max;
-using std::pair;
 using std::shared_ptr;
 using std::string;
 using std::vector;