remove guitar cruft

There was a bunch of code for handling guitar-specific input such as hammer-ons/pull-offs and strumming. Given that guitar was removed, and as far as I understand, will not be added back into SM5, it makes sense to remove code that had no other use.

src/PlayerState.cpp

@@ -23,9 +23,6 @@ void PlayerState::Reset()
 
 	m_HealthState = HealthState_Alive;
 
-	m_fLastHopoNoteMusicSeconds = -1;
-	m_iLastHopoNoteCol = -1;
-
 	m_PlayerController = PC_HUMAN;
 
 	m_iCpuSkill = 5;
@@ -46,8 +43,6 @@ void PlayerState::Reset()
 	for( int i=0; i<NUM_INVENTORY_SLOTS; i++ )
 		m_Inventory[i].MakeBlank();
 
-	m_fLastStrumMusicSeconds = -1;
-	ClearHopoState();
 }
 
 void PlayerState::Update( float fDelta )