drop ENABLE_TOUCH as we use autodetection now

Signed-off-by: David Heidelberg <david@ixit.cz>

android/native/build.gradle

@@ -12,7 +12,7 @@ android {
             cmake {
 				arguments "-DANDROID_STL=c++_shared",
 					"-DENABLE_CURL=1", "-DENABLE_SOUND=1",
-					"-DENABLE_TOUCH=1", "-DENABLE_GETTEXT=1",
+					"-DENABLE_GETTEXT=1",
 					"-DBUILD_UNITTESTS=0", "-DENABLE_UPDATE_CHECKER=0"
 			}
 		}

doc/compiling/README.md

@@ -38,7 +38,6 @@ General options and their default values:
     INSTALL_DEVTEST=FALSE      - Whether the Development Test game should be installed alongside Minetest
     USE_GPROF=FALSE            - Enable profiling using GProf
     VERSION_EXTRA=             - Text to append to version (e.g. VERSION_EXTRA=foobar -> Minetest 0.4.9-foobar)
-    ENABLE_TOUCH=FALSE         - Enable touchscreen support by default (requires support by IrrlichtMt)
 
 Library specific options:
 

src/CMakeLists.txt

@@ -109,12 +109,6 @@ if(BUILD_CLIENT AND ENABLE_SOUND)
 	endif()
 endif()
 
-option(ENABLE_TOUCH "Enable touchscreen by default" FALSE)
-if(ENABLE_TOUCH)
-	message(STATUS "Touchscreen support enabled by default.")
-	add_definitions(-DENABLE_TOUCH)
-endif()
-
 if(BUILD_CLIENT)
 	find_package(Freetype REQUIRED)
 endif()