configure: remove openssl placeholder source

there is no particular reason to exclude static builds from the default.
misses are cheap now, so it's fine if nothing is found.
this affects only the legacy pre-1.1 library names under windows.

Change-Id: I998b9f7bfcce42ec990a236bb44372c4d6b3f631
Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>

src/network/configure.json

@@ -66,14 +66,9 @@
             "test": "openssl",
             "sources": [
                 { "type": "openssl" },
-                {
-                    "comment": "placeholder for OPENSSL_{PATH,LIBS{,_{DEBUG,RELEASE}}}",
-                    "libs": "",
-                    "condition": "config.win32 && !features.shared"
-                },
                 {
                     "libs": "-lssleay32 -llibeay32",
-                    "condition": "config.win32 && features.shared"
+                    "condition": "config.win32"
                 },
                 {
                     "libs": "-llibssl -llibcrypto",