x11display: Remove incorrect INLINE marker on these methods

Closes #1026

panda/src/x11display/x11GraphicsPipe.cxx

@@ -384,7 +384,7 @@ x11GraphicsPipe::
 /**
  * Enables raw mouse mode for this display.  Returns false if unsupported.
  */
-INLINE bool x11GraphicsPipe::
+bool x11GraphicsPipe::
 enable_raw_mouse() {
   if (_num_raw_mouse_windows > 0) {
     // Already enabled by another window.

panda/src/x11display/x11GraphicsPipe.h

@@ -147,8 +147,8 @@ public:
   INLINE bool supports_relative_mouse() const;
   INLINE bool enable_dga_mouse();
   INLINE void disable_dga_mouse();
-  INLINE bool enable_raw_mouse();
-  INLINE void disable_raw_mouse();
+  bool enable_raw_mouse();
+  void disable_raw_mouse();
 
   static INLINE int disable_x_error_messages();
   static INLINE int enable_x_error_messages();