Remove dummy ISC_PLATFORM_NEEDSTRCASESTR define from platform.h

lib/isc/include/isc/platform.h.in

@@ -82,11 +82,6 @@
  *** Printing.
  ***/
 
-/*
- * If the system needs strlcpy(), ISC_PLATFORM_NEEDSTRLCPY will be defined.
- */
-@ISC_PLATFORM_NEEDSTRLCPY@
-
 /*
  * If the system needs strlcat(), ISC_PLATFORM_NEEDSTRLCAT will be defined.
  */

lib/isc/win32/include/isc/platform.h.in

@@ -65,12 +65,6 @@
 #define ISC_PLATFORM_NORETURN_PRE __declspec(noreturn)
 #define ISC_PLATFORM_NORETURN_POST
 
-/*
- * If the strcasestr() operation is not available on this platform,
- * ISC_PLATFORM_NEEDSTRCASESTR will be defined.
- */
-@ISC_PLATFORM_NEEDSTRCASESTR@
-
 /*
  * Set up a macro for importing and exporting from the DLL
  */

win32utils/Configure

@@ -227,7 +227,7 @@ my @substdefh = ("AES_CC",
 
 my %configdefp;
 
-my @substdefp = ("ISC_PLATFORM_NEEDSTRCASESTR");
+my @substdefp = ();
 
 # for conf.sh
 
@@ -1156,9 +1156,6 @@ if ($msc_ver >= 1700) {
     $configdefh{"USE_BACKTRACE"} = 1;
 }
 
-# no version of MSVS supports strcasestr() yet
-$configdefp{"ISC_PLATFORM_NEEDSTRCASESTR"} = 1;
-
 # warn when cross compiling
 
 if ($cross_compile eq "yes") {