remove Evoral types.cpp since it is no longer required

libs/evoral/evoral/Beats.hpp

@@ -34,7 +34,7 @@ namespace Evoral {
 /** Musical time in beats. */
 class /*LIBEVORAL_API*/ Beats {
 public:
-	LIBEVORAL_API static const int32_t PPQN;
+	LIBEVORAL_API static const int32_t PPQN = 1920;
 
 	Beats() : _beats(0), _ticks(0) {}
 
@@ -105,6 +105,7 @@ public:
 
 		_beats = whole;
 		_ticks = frac * PPQN;
+		return *this;
 	}
 
 	Beats& operator=(const Beats& other) {

libs/evoral/src/types.cpp

@@ -23,7 +23,6 @@
 
 namespace Evoral {
 
-const double Beats::PPQN = 1920.0;
 const Beats  MaxBeats    = Evoral::Beats(DBL_MAX);
 const Beats  MinBeats    = Evoral::Beats(DBL_MIN);
 

libs/evoral/wscript

@@ -96,7 +96,6 @@ def build(bld):
             src/Sequence.cpp
             src/TimeConverter.cpp
             src/debug.cpp
-            src/types.cpp
     '''
 
     # Library