docs: Remove BeOS/Haiku remnants

runtime/doc/eval.txt

@@ -6666,7 +6666,6 @@ arp			Compiled with ARP support (Amiga).
 autocmd			Compiled with autocommand support. |autocommand|
 balloon_eval		Compiled with |balloon-eval| support.
 balloon_multiline	GUI supports multiline balloons.
-beos			BeOS version of Vim.
 browse			Compiled with |:browse| support, and browse() will
 			work.
 browsefilter		Compiled with support for |browsefilter|.

runtime/doc/options.txt

@@ -7070,7 +7070,6 @@ A jump table for the options with a short description can be found at |Q_op|.
 'term'			string	(default is $TERM, if that fails:
 				      in the GUI: "builtin_gui"
 					on Amiga: "amiga"
-					 on BeOS: "beos-ansi"
 					  on Mac: "mac-ansi"
 				       on MS-DOS: "pcterm"
 					 on Unix: "ansi"

runtime/doc/todo.txt

@@ -232,8 +232,6 @@ Go through more coverity reports.
 Patch to add ":undorecover", get as much text out of the undo file as
 possible. (Christian Brabandt, 2014 Mar 12)
 
-Include Haiku port? (Adrien Destugues, Siarzhuk Zharski, 2013 Oct 24)
-
 Updated spec ftplugin. (Matěj Cepl, 2013 Oct 16)
 
 Some quickfix messages appear twice. (Gary Johnson, 2014 Feb 16)
@@ -2249,7 +2247,7 @@ GUI:
     Need better separation of Vim core and GUI code.
 8   When fontset support is enabled, setting 'guifont' to a single font
     doesn't work.
-8   Menu priority for sub-menus for: Amiga, BeOS.
+8   Menu priority for sub-menus for: Amiga.
 8   When translating menus ignore the part after the Tab, the shortcut.  So
     that the same menu item with a different shortcut (e.g., for the Mac) are
     still translated.

runtime/doc/vi_diff.txt

@@ -137,7 +137,6 @@ Support for different systems.
 	- In protected mode on Windows 3.1 and MS-DOS (DPMI driver required).
 	- Windows 95 and Windows NT, with support for long file names.
 	- VMS
-	- BeOS
 	- Macintosh
 	- Risc OS
 	- IBM OS/390
@@ -162,7 +161,7 @@ Graphical User Interface (GUI).				|gui|
 	define your own menus.  Better support for CTRL/SHIFT/ALT keys in
 	combination with special keys and mouse.  Supported for various
 	platforms, such as X11 (with Motif and Athena interfaces), GTK, Win32
-	(Windows 95 and later), BeOS, Amiga and Macintosh.
+	(Windows 95 and later), Amiga and Macintosh.
 
 Multiple windows and buffers.				|windows.txt|
 	Vim can split the screen into several windows, each editing a

src/nvim/os_unix.c

@@ -9,7 +9,6 @@
 
 /*
  * os_unix.c -- code for all flavors of Unix (BSD, SYSV, SVR4, POSIX, ...)
- *	     Also for BeOS
  *
  * A lot of this file was originally written by Juergen Weigert and later
  * changed beyond recognition.

src/nvim/term.c

@@ -278,69 +278,6 @@ static struct builtin_term builtin_termcaps[] =
   {TERMCAP2KEY('*', '7'), "\233\065\065~"},     /* shifted end key */
 # endif
 
-# if defined(__BEOS__) || defined(ALL_BUILTIN_TCAPS)
-  /*
-   * almost standard ANSI terminal, default for bebox
-   */
-  {(int)KS_NAME,      "beos-ansi"},
-  {(int)KS_CE,        "\033[K"},
-  {(int)KS_CD,        "\033[J"},
-  {(int)KS_AL,        "\033[L"},
-#  ifdef TERMINFO
-  {(int)KS_CAL,       "\033[%p1%dL"},
-#  else
-  {(int)KS_CAL,       "\033[%dL"},
-#  endif
-  {(int)KS_DL,        "\033[M"},
-#  ifdef TERMINFO
-  {(int)KS_CDL,       "\033[%p1%dM"},
-#  else
-  {(int)KS_CDL,       "\033[%dM"},
-#  endif
-  {(int)KS_CL,        "\033[H\033[2J"},
-#ifdef notyet
-  {(int)KS_VI,        "[VI]"},   /* cursor invisible, VT320: CSI ? 25 l */
-  {(int)KS_VE,        "[VE]"},   /* cursor visible, VT320: CSI ? 25 h */
-#endif
-  {(int)KS_ME,        "\033[m"},        /* normal mode */
-  {(int)KS_MR,        "\033[7m"},       /* reverse */
-  {(int)KS_MD,        "\033[1m"},       /* bold */
-  {(int)KS_SO,        "\033[31m"},      /* standout mode: red */
-  {(int)KS_SE,        "\033[m"},        /* standout end */
-  {(int)KS_CZH,       "\033[35m"},      /* italic: purple */
-  {(int)KS_CZR,       "\033[m"},        /* italic end */
-  {(int)KS_US,        "\033[4m"},       /* underscore mode */
-  {(int)KS_UE,        "\033[m"},        /* underscore end */
-  {(int)KS_CCO,       "8"},             /* allow 8 colors */
-#  ifdef TERMINFO
-  {(int)KS_CAB,       "\033[4%p1%dm"},  /* set background color */
-  {(int)KS_CAF,       "\033[3%p1%dm"},  /* set foreground color */
-#  else
-  {(int)KS_CAB,       "\033[4%dm"},     /* set background color */
-  {(int)KS_CAF,       "\033[3%dm"},     /* set foreground color */
-#  endif
-  {(int)KS_OP,        "\033[m"},        /* reset colors */
-  {(int)KS_MS,        "y"},             /* safe to move cur in reverse mode */
-  {(int)KS_UT,        "y"},             /* guessed */
-  {(int)KS_LE,        "\b"},
-#  ifdef TERMINFO
-  {(int)KS_CM,        "\033[%i%p1%d;%p2%dH"},
-#  else
-  {(int)KS_CM,        "\033[%i%d;%dH"},
-#  endif
-  {(int)KS_SR,        "\033M"},
-#  ifdef TERMINFO
-  {(int)KS_CRI,       "\033[%p1%dC"},
-#  else
-  {(int)KS_CRI,       "\033[%dC"},
-#  endif
-
-  {K_UP,              "\033[A"},
-  {K_DOWN,            "\033[B"},
-  {K_LEFT,            "\033[D"},
-  {K_RIGHT,           "\033[C"},
-# endif
-
 # if defined(UNIX) || defined(ALL_BUILTIN_TCAPS) || defined(SOME_BUILTIN_TCAPS)
   /*
    * standard ANSI terminal, default for unix