Clean up unnecessary migration files and outdated documentation

database/migrations/016_add_tpu_colors.sql

@@ -1,45 +0,0 @@
--- Migration: Add new TPU colors
--- Adds Frozen to TPU 90A and Neon Orange to TPU 85A
-
--- First, add the new colors to the colors table
-INSERT INTO colors (name, hex) VALUES 
-    ('Frozen', '#B2E2F5'),
-    ('Neon Orange', '#F68A1B')
-ON CONFLICT (name) 
-DO UPDATE SET hex = EXCLUDED.hex;
-
--- Add TPU 90A filament for Frozen color
-INSERT INTO filaments (tip, finish, boja, boja_hex, refill, spulna, kolicina, cena)
-SELECT 
-    'TPU' as tip,
-    '90A' as finish,
-    'Frozen' as boja,
-    '#B2E2F5' as boja_hex,
-    0 as refill,
-    0 as spulna,
-    0 as kolicina,
-    '0' as cena
-WHERE NOT EXISTS (
-    SELECT 1 FROM filaments 
-    WHERE tip = 'TPU' 
-    AND finish = '90A' 
-    AND boja = 'Frozen'
-);
-
--- Add TPU 85A filament for Neon Orange color
-INSERT INTO filaments (tip, finish, boja, boja_hex, refill, spulna, kolicina, cena)
-SELECT 
-    'TPU' as tip,
-    '85A' as finish,
-    'Neon Orange' as boja,
-    '#F68A1B' as boja_hex,
-    0 as refill,
-    0 as spulna,
-    0 as kolicina,
-    '0' as cena
-WHERE NOT EXISTS (
-    SELECT 1 FROM filaments 
-    WHERE tip = 'TPU' 
-    AND finish = '85A' 
-    AND boja = 'Neon Orange'
-);