Revert "`uname -s` works unstable on windows"

This reverts commit cc49f487

platform/xdebugger-impl/src/com/intellij/xdebugger/attach/osHandlers/AttachOSHandler.java

@@ -95,6 +95,10 @@ public abstract class AttachOSHandler {
       GeneralCommandLine getOsCommandLine = new GeneralCommandLine("uname", "-s");
       final String osString = host.getProcessOutput(getOsCommandLine).getStdout().trim();
 
+      if(osString.startsWith("MSYS")) {
+        return OSType.WINDOWS;
+      }
+
       OSType osType;
 
       switch (osString) {
@@ -118,6 +122,7 @@ public abstract class AttachOSHandler {
   public enum OSType {
     LINUX,
     MACOSX,
+    WINDOWS,
     UNKNOWN
   }
 }