Don't build bless_tests.patch

The bless_tests.patch had been introduced via PR php#7204, but is no
longer available due to PR php#11566.  Since apparently the patch is not
that helpful, we remove the code which generates it.

Author: cmb69

.github/scripts/windows/test_task.bat

@@ -130,15 +130,10 @@ set TEST_PHPDBG_EXECUTABLE=%PHP_BUILD_DIR%\phpdbg.exe
 
 mkdir c:\tests_tmp
 
-nmake test TESTS="%OPCACHE_OPTS% -g FAIL,BORK,LEAK,XLEAK --no-progress -q --offline --show-diff --show-slow 1000 --set-timeout 120 --temp-source c:\tests_tmp --temp-target c:\tests_tmp --bless %PARALLEL%"
+nmake test TESTS="%OPCACHE_OPTS% -g FAIL,BORK,LEAK,XLEAK --no-progress -q --offline --show-diff --show-slow 1000 --set-timeout 120 --temp-source c:\tests_tmp --temp-target c:\tests_tmp %PARALLEL%"
 
 set EXIT_CODE=%errorlevel%
 
 taskkill /f /im snmpd.exe
 
-if %EXIT_CODE% GEQ 1 (
-	git checkout ext\pgsql\tests\config.inc
-	git diff > bless_tests.patch
-)
-
 exit /b %EXIT_CODE%