Remove JvmSynthetic annotation from file classes

The Android platform's version of kotlinc is too old to support this.
diff --git a/src/commonMain/kotlin/dev/kdrag0n/colorkt/ColorConversions.kt b/src/commonMain/kotlin/dev/kdrag0n/colorkt/ColorConversions.kt
index f7b7a01..8010cda 100644
--- a/src/commonMain/kotlin/dev/kdrag0n/colorkt/ColorConversions.kt
+++ b/src/commonMain/kotlin/dev/kdrag0n/colorkt/ColorConversions.kt
@@ -1,5 +1,3 @@
-@file:JvmSynthetic
-
 package dev.kdrag0n.colorkt
 
 import dev.kdrag0n.colorkt.rgb.LinearSrgb
diff --git a/src/commonMain/kotlin/dev/kdrag0n/colorkt/ucs/lch/Lch.kt b/src/commonMain/kotlin/dev/kdrag0n/colorkt/ucs/lch/Lch.kt
index c0c03ec..3756411 100644
--- a/src/commonMain/kotlin/dev/kdrag0n/colorkt/ucs/lch/Lch.kt
+++ b/src/commonMain/kotlin/dev/kdrag0n/colorkt/ucs/lch/Lch.kt
@@ -1,5 +1,3 @@
-@file:JvmSynthetic
-
 package dev.kdrag0n.colorkt.ucs.lch
 
 import dev.kdrag0n.colorkt.Color
diff --git a/src/commonMain/kotlin/dev/kdrag0n/colorkt/util/math/MathExt.kt b/src/commonMain/kotlin/dev/kdrag0n/colorkt/util/math/MathExt.kt
index f648d30..a2e7a15 100644
--- a/src/commonMain/kotlin/dev/kdrag0n/colorkt/util/math/MathExt.kt
+++ b/src/commonMain/kotlin/dev/kdrag0n/colorkt/util/math/MathExt.kt
@@ -1,6 +1,5 @@
 // These simple math functions should always be inlined for performance
 @file:Suppress("NOTHING_TO_INLINE")
-@file:JvmSynthetic
 
 package dev.kdrag0n.colorkt.util.math
 
diff --git a/src/jvmMain/kotlin/dev/kdrag0n/colorkt/util/math/MathExtJvm.kt b/src/jvmMain/kotlin/dev/kdrag0n/colorkt/util/math/MathExtJvm.kt
index be10015..191f75c 100644
--- a/src/jvmMain/kotlin/dev/kdrag0n/colorkt/util/math/MathExtJvm.kt
+++ b/src/jvmMain/kotlin/dev/kdrag0n/colorkt/util/math/MathExtJvm.kt
@@ -1,5 +1,3 @@
-@file:JvmSynthetic
-
 package dev.kdrag0n.colorkt.util.math
 
 @JvmSynthetic