Remove unused DEFAULT_INDENT constant and indent field

Co-authored-by: ZenanH <19581645+ZenanH@users.noreply.github.com>

Author: Copilot

README.md

@@ -75,7 +75,6 @@ MiniProgressBar(;
     color::Symbol = :nothing,          # Bar color (:green, :blue, :red, etc.)
     width::Int = 40,                   # Progress bar width
     current::Int = 0,                  # Current progress value
-    indent::Int = 4,                   # Left indentation
     show_eta::Bool = true,             # Show estimated time remaining
     update_interval::Float64 = 3.0,    # Minimum seconds between updates
     always_reprint::Bool = false       # Force update every call

src/progressbar.jl

@@ -6,7 +6,6 @@ const SECONDS_PER_HOUR = 3600
 const SECONDS_PER_DAY = 86400
 const DEFAULT_PROGRESS_WIDTH = 40
 const DEFAULT_UPDATE_INTERVAL = 3.0
-const DEFAULT_INDENT = 4
 const PROGRESS_BAR_PADDING = 10  # Space reserved for progress bar decorations and spacing
 
 # ANSI escape codes
@@ -42,7 +41,6 @@ Base.@kwdef mutable struct MiniProgressBar
     has_shown::Bool = false
     time_shown::Float64 = 0.0
     always_reprint::Bool = false
-    indent::Int = DEFAULT_INDENT
     show_eta::Bool = true
     start_time::Float64 = 0.0
     update_interval::Float64 = DEFAULT_UPDATE_INTERVAL