Remove some cpp includes.

common/CMakeLists.txt

@@ -93,6 +93,8 @@ set(common_sources
     spdat.cpp
     spdat_bot.cpp
     strings.cpp
+    strings_legacy.cpp
+    strings_misc.cpp
     struct_strategy.cpp
     textures.cpp
     timer.cpp

common/strings.cpp

@@ -48,14 +48,9 @@
 #include <random>
 #include <string>
 
-//Const char based
-#include "strings_legacy.cpp" // legacy c functions
-#include "strings_misc.cpp" // anything non "Strings" scoped
-
 #ifdef _WINDOWS
 #include <ctype.h>
 #include <functional>
-#include <algorithm>
 #endif
 
 std::string Strings::Random(size_t length)