openjdk: build with empty pre-version (#92947)

The removes the "-internal" suffix from the OpenJDK version string.
Some applications, like the Jetbrains IDEs, check for a suffix to
determine if a stable JDK is used.
Thanks to @liff for the hint in #92837!

pkgs/development/compilers/openjdk/11.nix

@@ -47,6 +47,7 @@ let
 
     configureFlags = [
       "--with-boot-jdk=${openjdk11-bootstrap.home}"
+      "--with-version-pre="
       "--enable-unlimited-crypto"
       "--with-native-debug-symbols=internal"
       "--with-libjpeg=system"

pkgs/development/compilers/openjdk/12.nix

@@ -55,6 +55,7 @@ let
 
     configureFlags = [
       "--with-boot-jdk=${openjdk11.home}"
+      "--with-version-pre="
       "--enable-unlimited-crypto"
       "--with-native-debug-symbols=internal"
       "--with-libjpeg=system"

pkgs/development/compilers/openjdk/13.nix

@@ -55,6 +55,7 @@ let
 
     configureFlags = [
       "--with-boot-jdk=${openjdk13-bootstrap.home}"
+      "--with-version-pre="
       "--enable-unlimited-crypto"
       "--with-native-debug-symbols=internal"
       "--with-libjpeg=system"