update Windows DLL dependency

bindings/python/setup.py

@@ -24,9 +24,6 @@ IS_64BITS = platform.architecture()[0] == '64bit'
 ALL_WINDOWS_DLLS = (
     "libwinpthread-1.dll",
     "libgcc_s_seh-1.dll" if IS_64BITS else "libgcc_s_dw2-1.dll",
-    "libiconv-2.dll",
-    "libpcre-1.dll",
-    "libintl-8.dll",
 )
 
 # are we building from the repository or from a source distribution?

bindings/python/unicorn/unicorn.py

@@ -30,9 +30,6 @@ _all_windows_dlls = (
     "libwinpthread-1.dll",
     "libgcc_s_seh-1.dll",
     "libgcc_s_dw2-1.dll",
-    "libiconv-2.dll",
-    "libpcre-1.dll",
-    "libintl-8.dll",
 )
 
 _loaded_windows_dlls = set()

docs/COMPILE-WINDOWS.md

@@ -98,18 +98,12 @@ To run sample_x86.exe on Windows 32-bit, you need the following files:
 
         unicorn.dll
         %MSYS2%\mingw32\bin\libgcc_s_dw2-1.dll
-        %MSYS2%\mingw32\bin\libiconv-2.dll
-        %MSYS2%\mingw32\bin\libintl-8.dll
-        %MSYS2%\mingw32\bin\libpcre-1.dll
         %MSYS2%\mingw32\bin\libwinpthread-1.dll
 
 To run sample_x86.exe on Windows 64-bit, you need the following files:
 
         unicorn.dll
         %MSYS2%\mingw64\bin\libgcc_s_seh-1.dll
-        %MSYS2%\mingw64\bin\libiconv-2.dll
-        %MSYS2%\mingw64\bin\libintl-8.dll
-        %MSYS2%\mingw64\bin\libpcre-1.dll
         %MSYS2%\mingw64\bin\libwinpthread-1.dll