feat(config): relocate Go and Android SDK environment variables and update PATH entries, remove redundant font size settings

dot_config/kitty/herdr.conf

@@ -5,7 +5,6 @@
 # prefix byte is the shift variant (\x02N == prefix+shift+n).
 
 # ── base / appearance ──
-font_size 13.5
 font_family VictorMono Nerd Font
 bold_italic_font auto
 window_padding_width 8
@@ -39,7 +38,7 @@ map ctrl+0     change_font_size current 0
 map ctrl+shift+alt+, load_config_file
 
 # ── herdr sync: ctrl+shift chords → prefix (\x02 = ctrl+b) bytes ──
-map super+enter    send_text all \x02N
+map ctrl+shift+n    send_text all \x02N
 map super+n   send_text all \x02G
 map super+t   send_text all \x02c
 map ctrl+shift+t   send_text all \x02c
@@ -51,7 +50,6 @@ map ctrl+shift+f   send_text all \x02K
 map ctrl+shift+g   send_text all \x02L
 map ctrl+shift+e   send_text all \x02e
 map ctrl+shift+o   send_text all \x02o
-map ctrl+shift+n   send_text all \x02G
 map ctrl+shift+h   send_text all \x02p
 map ctrl+shift+l   send_text all \x02n
 map ctrl+shift+j   send_text all \x02j

dot_config/kitty/tmux.conf

@@ -7,7 +7,6 @@
 # Launched from the default config with ctrl+shift+t.
 
 # ── base / appearance (kitty.conf parity) ──
-font_size 11.5
 font_family VictorMono Nerd Font
 bold_italic_font auto
 window_padding_width 8