php80Extensions.opcache: drop patch

does not apply anymore and it compiles without it now

pkgs/development/interpreters/php/fix-opcache-configure.patch

@@ -1,81 +0,0 @@
-diff --git a/Zend/Zend.m4 b/Zend/Zend.m4
-index 726188597496..781e51d3e44c 100644
---- a/Zend/Zend.m4
-+++ b/Zend/Zend.m4
-@@ -190,12 +190,6 @@ dnl LIBZEND_OTHER_CHECKS
- dnl
- AC_DEFUN([LIBZEND_OTHER_CHECKS],[
- 
--AC_ARG_ENABLE([zts],
--  [AS_HELP_STRING([--enable-zts],
--    [Enable thread safety])],
--  [ZEND_ZTS=$enableval],
--  [ZEND_ZTS=no])
--
- AC_MSG_CHECKING(whether to enable thread-safety)
- AC_MSG_RESULT($ZEND_ZTS)
- 
-diff --git a/configure.ac b/configure.ac
-index 8d6e922fa9bf..e07a75d19ac7 100644
---- a/configure.ac
-+++ b/configure.ac
-@@ -797,6 +797,19 @@ if test "$PHP_DEBUG_ASSERTIONS" = "yes"; then
-   ZEND_DEBUG=yes
- fi
- 
-+AC_ARG_ENABLE([zts],
-+  [AS_HELP_STRING([--enable-zts],
-+    [Enable thread safety])],
-+  [ZEND_ZTS=$enableval],
-+  [ZEND_ZTS=no])
-+
-+if test "$ZEND_ZTS" = "yes"; then
-+  AC_DEFINE(ZTS, 1,[ ])
-+  PHP_THREAD_SAFETY=yes
-+else
-+  PHP_THREAD_SAFETY=no
-+fi
-+
- PHP_ARG_ENABLE([rtld-now],
-   [whether to dlopen extensions with RTLD_NOW instead of RTLD_LAZY],
-   [AS_HELP_STRING([--enable-rtld-now],
-@@ -1136,13 +1149,6 @@ LIBZEND_BASIC_CHECKS
- LIBZEND_DLSYM_CHECK
- LIBZEND_OTHER_CHECKS
- 
--if test "$ZEND_ZTS" = "yes"; then
--  AC_DEFINE(ZTS,1,[ ])
--  PHP_THREAD_SAFETY=yes
--else
--  PHP_THREAD_SAFETY=no
--fi
--
- INCLUDES="$INCLUDES -I\$(top_builddir)/TSRM"
- INCLUDES="$INCLUDES -I\$(top_builddir)/Zend"
- 
-diff --git a/ext/opcache/config.m4 b/ext/opcache/config.m4
-index 054cd28c0247..93d72fb73d19 100644
---- a/ext/opcache/config.m4
-+++ b/ext/opcache/config.m4
-@@ -66,7 +66,7 @@ if test "$PHP_OPCACHE" != "no"; then
-       esac
-     fi
- 
--    if test "$enable_zts" = "yes"; then
-+    if test "$PHP_THREAD_SAFETY" = "yes"; then
-       DASM_FLAGS="$DASM_FLAGS -D ZTS=1"
-     fi
- 
-diff --git a/ext/session/config.m4 b/ext/session/config.m4
-index 7abc8813b72a..da31bbde86cc 100644
---- a/ext/session/config.m4
-+++ b/ext/session/config.m4
-@@ -31,7 +31,7 @@ if test "$PHP_MM" != "no"; then
-     AC_MSG_ERROR(cannot find mm library)
-   fi
- 
--  if test "$enable_zts" = "yes"; then
-+  if test "$PHP_THREAD_SAFETY" = "yes"; then
-     dnl The mm library is not thread-safe, and mod_mm.c refuses to compile.
-     AC_MSG_ERROR(--with-mm cannot be combined with --enable-zts)
-   fi

pkgs/top-level/php-packages.nix

@@ -388,10 +388,7 @@ lib.makeScope pkgs.newScope (self: with self; {
         buildInputs = [ pcre' ] ++ lib.optionals (lib.versionAtLeast php.version "8.0") [
           valgrind.dev
         ];
-        # HAVE_OPCACHE_FILE_CACHE is defined in config.h, which is
-        # included from ZendAccelerator.h, but ZendAccelerator.h is
-        # included after the ifdef...
-        patches = [] ++ lib.optional (lib.versionAtLeast php.version "8.0") [ ../development/interpreters/php/fix-opcache-configure.patch ] ++lib.optional (lib.versionOlder php.version "7.4") [
+        patches = [] ++ lib.optional (lib.versionOlder php.version "7.4") [
           (pkgs.writeText "zend_file_cache_config.patch" ''
             --- a/ext/opcache/zend_file_cache.c
             +++ b/ext/opcache/zend_file_cache.c