Analysis: Resolve obsolete sdk int lint warnings

Warning Message: "Unnecessary; SDK_INT is always >= 24"

These 'VERSION.SDK_INT >= Build.VERSION_CODES.M/N' checks are no longer
necessary as the 'minSdkVersion' is now '24'. As such, the if condition
has been simplified.

Author: ParaskP7

aztec/src/main/kotlin/org/wordpress/aztec/AztecText.kt

@@ -1822,7 +1822,7 @@ open class AztecText : AppCompatEditText, TextWatcher, UnknownHtmlSpan.OnUnknown
             // Android 7 Ref: https://github.com/wordpress-mobile/WordPress-Android/issues/10872
             // Android 8 Ref: https://github.com/wordpress-mobile/WordPress-Android/issues/8827
             clipboardIdentifier -> {
-                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N && Build.VERSION.SDK_INT < Build.VERSION_CODES.P
+                if (Build.VERSION.SDK_INT < Build.VERSION_CODES.P
                         && Build.MANUFACTURER.lowercase(Locale.getDefault()).equals("samsung")) {
                     // Nope return true
                     Toast.makeText(context, context.getString(R.string.samsung_disabled_custom_clipboard, Build.VERSION.RELEASE), Toast.LENGTH_LONG).show()

aztec/src/main/kotlin/org/wordpress/aztec/util/ColorConverter.kt

@@ -2,7 +2,6 @@ package org.wordpress.aztec.util
 
 import android.content.res.Resources
 import android.graphics.Color
-import android.os.Build
 import android.text.TextUtils
 import androidx.annotation.ColorInt
 import org.wordpress.aztec.util.ColorConverter.Companion.COLOR_NOT_FOUND
@@ -209,19 +208,14 @@ class ColorConverter {
          * cannot be translated.
          */
         @ColorInt
-        @Suppress("DEPRECATION")
         fun getColorInt(colorText: String): Int {
             try {
                 if (isColorResource(colorText)) {
                     val res = Resources.getSystem()
                     val name = colorText.substring(1)
                     val colorRes = res.getIdentifier(name, "color", "android")
                     if (colorRes != 0) {
-                        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
-                            return res.getColor(colorRes)
-                        } else {
-                            return res.getColor(colorRes, null)
-                        }
+                        return res.getColor(colorRes, null)
                     }
                 }
                 //