Revert "[lldb] fix lldb-server test failures on windows (llvm#164843)"

This reverts commit 930b36c.

Reverting because it depends on 5fc40a5.

Author: adrian-prantl

lldb/test/Shell/lldb-server/TestPlatformErrorMessages.test

@@ -22,4 +22,4 @@ LOGFILE_MISSING: error: --log-file: missing argument
 RUN: %platformserver --log-channels 2>&1 | FileCheck --check-prefixes=LOGCHANNELS_MISSING,ALL %s
 LOGCHANNELS_MISSING: error: --log-channels: missing argument
 
-ALL: Use 'lldb-server{{(\.exe)?}} {{p|platform}} --help' for a complete list of options.
+ALL: Use 'lldb-server {{p|platform}} --help' for a complete list of options.

lldb/test/Shell/lldb-server/TestPlatformHelp.test

@@ -5,9 +5,9 @@ RUN: %lldb-server p -h 2>&1 | FileCheck %s
 RUN: %lldb-server platform --help 2>&1 | FileCheck %s
 RUN: %lldb-server platform -h 2>&1 | FileCheck %s
 
-CHECK: OVERVIEW: lldb-server{{(\.exe)?}} platform
+CHECK: OVERVIEW: lldb-server platform
 
-CHECK: USAGE: lldb-server{{(\.exe)?}} {{p|platform}} [options] --listen <[host]:port> {{\[}}[--] program args...]
+CHECK: USAGE: lldb-server {{p|platform}} [options] --listen <[host]:port> {{\[}}[--] program args...]
 
 CHECK: CONNECTION OPTIONS:
 CHECK: --gdbserver-port <port>
@@ -33,8 +33,8 @@ CHECK: Acts as a platform server for remote debugging
 
 CHECK: EXAMPLES
 CHECK: # Listen on port 1234, exit after first connection
-CHECK: lldb-server{{(\.exe)?}} platform --listen tcp://0.0.0.0:1234
+CHECK: lldb-server platform --listen tcp://0.0.0.0:1234
 CHECK: # Listen on port 5555, accept multiple connections
-CHECK: lldb-server{{(\.exe)?}} platform --server --listen tcp://localhost:5555
+CHECK: lldb-server platform --server --listen tcp://localhost:5555
 CHECK: # Listen on Unix domain socket
-CHECK: lldb-server{{(\.exe)?}} platform --listen unix:///tmp/lldb-server.sock
+CHECK: lldb-server platform --listen unix:///tmp/lldb-server.sock