Delete some Win9x-specific code and comments (#67814)

Author: jkotas

src/coreclr/debug/di/publish.cpp

@@ -81,7 +81,6 @@ BOOL GetAllProcessesInSystem(DWORD *ProcessId,
 
     } while ((succ == TRUE) && (iIndex < (int)dwArraySize));
 
-    // I would like to know if we're running more than 512 processes on Win95!!
     _ASSERTE (iIndex < (int)dwArraySize);
 
     *pdwNumEntries = iIndex;

src/coreclr/debug/ee/controller.cpp

@@ -883,7 +883,7 @@ void DebuggerController::CancelOutstandingThreadStarter(Thread * pThread)
 
 //void DebuggerController::Initialize()   Sets up the static
 // variables for the static DebuggerController class.
-// How: Sets g_runningOnWin95, initializes the critical section
+// How: initializes the critical section
 HRESULT DebuggerController::Initialize()
 {
     CONTRACT(HRESULT)

src/coreclr/debug/inc/amd64/primitives.h

@@ -219,10 +219,6 @@ inline bool AddressIsBreakpoint(CORDB_ADDRESS_TYPE *address)
     return *address == CORDbg_BREAK_INSTRUCTION;
 }
 
-inline BOOL IsRunningOnWin95() {
-    return false;
-}
-
 inline void SetSSFlag(DT_CONTEXT *pContext)
 {
     _ASSERTE(pContext != NULL);

src/coreclr/inc/sbuffer.inl

@@ -907,7 +907,6 @@ static const UINT64 SBUFFER_CANARY_VALUE = UI64(0xD00BED00BED00BAA);
 #ifdef ALIGN_ACCESS
 static const int SBUFFER_ALIGNMENT = ALIGN_ACCESS;
 #else
-// This is only 4 bytes on win98 and below
 static const int SBUFFER_ALIGNMENT = 4;
 #endif
 

src/coreclr/utilcode/ccomprc.cpp

@@ -221,9 +221,7 @@ void CCompRC::Destroy()
     // Free all resource libraries
 
     //*****************************************************************************
-    // Free the loaded library if we ever loaded it and only if we are not on
-    // Win 95 which has a known bug with DLL unloading (it randomly unloads a
-    // dll on shut down, not necessarily the one you asked for).  This is done
+    // Free the loaded library if we ever loaded it. This is done
     // only in debug mode to make coverage runs accurate.
     //*****************************************************************************
 

src/libraries/Microsoft.VisualBasic.Core/src/Microsoft/VisualBasic/Helpers/NativeMethods.vb

@@ -209,10 +209,6 @@ Namespace Microsoft.VisualBasic.CompilerServices
         ''' <param name="uFlags">Flags that indicate the meaning of the dwItem1 and dwItem2 parameter. See ShellChangeNotificationFlags.</param>
         ''' <param name="dwItem1">First event-dependent value.</param>
         ''' <param name="dwItem2">Second event-dependent value.</param>
-        ''' <remarks>
-        ''' Win 95/98/Me: SHChangeNotify is supported by Microsoft Layer for Unicode.
-        ''' To use this http://msdn.microsoft.com/library/default.asp?url=/library/en-us/mslu/winprog/microsoft_layer_for_unicode_on_windows_95_98_me_systems.asp
-        ''' </remarks>
         <DllImport("shell32.dll", CharSet:=CharSet.Auto, SetLastError:=True)>
         Friend Shared Sub SHChangeNotify(ByVal wEventId As UInt32, ByVal uFlags As UInt32,
                 ByVal dwItem1 As IntPtr, ByVal dwItem2 As IntPtr)

src/libraries/Microsoft.Win32.Registry/tests/RegistryKey/RegistryKey_Flush.cs

@@ -17,7 +17,7 @@ The RegFlushKey function may also write out parts of or all of the other keys. C
         on an application's performance. An application should only call RegFlushKey if it requires absolute certainty that registry changes are on
         disk.
 
-        In general, RegFlushKey rarely, if ever, need be used. Windows 95/98: No registry subkey or value name may exceed 255 characters.
+        In general, RegFlushKey rarely, if ever, need be used.
         **/
 
         [Fact]

src/libraries/System.Data.OleDb/src/OleDbConnection.cs

@@ -16,10 +16,9 @@ namespace System.Data.OleDb
 
     // wraps the OLEDB IDBInitialize interface which represents a connection
     // Notes about connection pooling
-    // 1. Connection pooling isn't supported on Win95
-    // 2. Only happens if we use the IDataInitialize or IDBPromptInitialize interfaces
+    // 1. Only happens if we use the IDataInitialize or IDBPromptInitialize interfaces
     //    it won't happen if you directly create the provider and set its properties
-    // 3. First call on IDBInitialize must be Initialize, can't QI for any other interfaces before that
+    // 2. First call on IDBInitialize must be Initialize, can't QI for any other interfaces before that
     [DefaultEvent("InfoMessage")]
     public sealed partial class OleDbConnection : DbConnection, ICloneable, IDbConnection
     {