buildcfg: remove some unnecessary #ifdef ULTDOOMs

With shareware gone, only Doom2 and Ultdoom remain, and in particular
there is no non-Ultdoom Doom1 target. Therefore #ifdef ULTDOOM sections
inside #ifndef DOOM2 sections are just extra clutter.

Signed-off-by: RjY <rjy@users.sourceforge.net>

buildcfg.txt

@@ -81,8 +81,6 @@ E3M6
 E3M7
 E3M8
 E3M9
-
-#ifdef ULTDOOM
 E4M1
 E4M2
 E4M3
@@ -92,7 +90,6 @@ E4M6
 E4M7
 E4M8
 E4M9
-#endif /* #ifdef ULTDOOM */
 
 #else /* #ifndef DOOM2 */
 
@@ -189,15 +186,10 @@ DEMO3 = demo3_d2
 #else /* not DOOM2 */
 
 DEMO1 = demo1_ud
-
-#ifdef ULTDOOM
-
 DEMO2 = demo2_ud
 DEMO3 = demo3_ud
 DEMO4 = demo4_ud
 
-#endif /* #ifdef ULTDOOM */
-
 #endif /* #ifdef DOOM2 */
 
 #ifdef FREEDM
@@ -811,10 +803,7 @@ WIENTER	0	0
 M_EPI1	0	0
 M_EPI2	0	0
 M_EPI3	0	0
-
-#ifdef ULTDOOM
 M_EPI4	0	0
-#endif
 
 WILV00  0       0
 WILV01  0       0
@@ -843,8 +832,6 @@ WILV25  0       0
 WILV26  0       0
 WILV27  0       0
 WILV28  0       0
-
-#ifdef ULTDOOM
 WILV30  0       0
 WILV31  0       0
 WILV32  0       0
@@ -858,7 +845,6 @@ VICTORY2	0	0
 PFUB1	0	0
 PFUB2	0	0
 ENDPIC	0	0
-#endif
 
 ; inter level map