Remove reminders to use C99 from more source files

src/cocoa_init.m

@@ -23,8 +23,6 @@
 //    distribution.
 //
 //========================================================================
-// It is fine to use C99 in this file because it will not be built with VS
-//========================================================================
 
 #include "internal.h"
 

src/cocoa_joystick.m

@@ -24,8 +24,6 @@
 //    distribution.
 //
 //========================================================================
-// It is fine to use C99 in this file because it will not be built with VS
-//========================================================================
 
 #include "internal.h"
 

src/cocoa_monitor.m

@@ -24,8 +24,6 @@
 //    distribution.
 //
 //========================================================================
-// It is fine to use C99 in this file because it will not be built with VS
-//========================================================================
 
 #include "internal.h"
 

src/cocoa_window.m

@@ -23,8 +23,6 @@
 //    distribution.
 //
 //========================================================================
-// It is fine to use C99 in this file because it will not be built with VS
-//========================================================================
 
 #include "internal.h"
 

src/nsgl_context.m

@@ -23,8 +23,6 @@
 //    distribution.
 //
 //========================================================================
-// It is fine to use C99 in this file because it will not be built with VS
-//========================================================================
 
 #include "internal.h"