Further clean up Omni/LegoOmni separation (#423)

* Fix inline functions

* Whitespace

* Try this

* Fix MxEntity

* Further fixes

* Move main out

* Replace tickle code

LEGO1/omni/src/common/mxvariable.cpp

@@ -4,21 +4,3 @@
 #include "mxstring.h"
 
 DECOMP_SIZE_ASSERT(MxVariable, 0x24)
-
-// FUNCTION: LEGO1 0x1003bea0
-MxString* MxVariable::GetValue()
-{
-	return &m_value;
-}
-
-// FUNCTION: LEGO1 0x1003beb0
-void MxVariable::SetValue(const char* p_value)
-{
-	m_value = p_value;
-}
-
-// FUNCTION: LEGO1 0x1003bec0
-void MxVariable::Destroy()
-{
-	delete this;
-}