Remove app name infix from tokens

Turns out this is not good practice; the tokens are only used within the
process of building the application so there's no need to qualify them.
Having them qualified in fact adds unnecessary spam when syncing with
the template.

mkit.ini

     etc_bc  = /etc/bash_completion.d
 
 [tokens]
-    __SATURNIN_DEMO_CACHE_HOME__     = $HOME/.cache/saturnin-demo
-    __SATURNIN_DEMO_CONFIG_USER__    = $HOME/.saturnin-demo
-    __SATURNIN_DEMO_CONFIG_LOCAL__   = [roots:etc]
-    __SATURNIN_DEMO_LIBEXEC__        = [roots:libexec]
-    __SATURNIN_DEMO_SHARE__          = [roots:share]
+    __SATURNIN_CACHE_HOME__     = $HOME/.cache/saturnin-demo
+    __SATURNIN_CONFIG_USER__    = $HOME/.saturnin-demo
+    __SATURNIN_CONFIG_LOCAL__   = [roots:etc]
+    __SATURNIN_LIBEXEC__        = [roots:libexec]
+    __SATURNIN_SHARE__          = [roots:share]
 
 [modes]
     bin     = 755

src/bin/app.skel

     SATURNIN_APP_TAGLINE="__MKIT_PROJ_TAGLINE__"
     SATURNIN_APP_VERSION="__MKIT_PROJ_VERSION__"
     SATURNIN_APP_GIT_HASH="__MKIT_PROJ_GIT_LASTHASH__"
-    SATURNIN_CACHE_HOME="__SATURNIN_DEMO_CACHE_HOME__"
-    SATURNIN_LIBEXEC="__SATURNIN_DEMO_LIBEXEC__"
+    SATURNIN_CACHE_HOME="__SATURNIN_CACHE_HOME__"
+    SATURNIN_LIBEXEC="__SATURNIN_LIBEXEC__"
     SATURNIN_LIBEXEC_PREFIX="__MKIT_PROJ_PKGNAME__-"
     PRETTY_USAGE="subcommand"
 }
 
 SATURNIN_CONF_PATH="$(
     saturnin__conf_mkpath \
-        __SATURNIN_DEMO_CONFIG_USER__/ini.d \
-        __SATURNIN_DEMO_CONFIG_USER__ \
-        __SATURNIN_DEMO_CONFIG_LOCAL__ \
-        __SATURNIN_DEMO_SHARE__/ini.d
+        __SATURNIN_CONFIG_USER__/ini.d \
+        __SATURNIN_CONFIG_USER__ \
+        __SATURNIN_CONFIG_LOCAL__ \
+        __SATURNIN_SHARE__/ini.d
 )"
 
 #