Analysis: Resolve parameter is never and could be renamed to _ warnings

Warning Message: "Parameter 'xyz' is never used, could be renamed to _"

Renaming the parameter 'xyz' that is never used to '_' or removing it
completely is the recommended action to resolve this kind of warnings.

Author: ParaskP7

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

@@ -706,7 +706,7 @@ open class AztecText : AppCompatEditText, TextWatcher, UnknownHtmlSpan.OnUnknown
             temp
         }
 
-        val emptyEditTextBackspaceDetector = InputFilter { source, start, end, dest, dstart, dend ->
+        val emptyEditTextBackspaceDetector = InputFilter { source, start, _, _, dstart, dend ->
             if (selectionStart == 0 && selectionEnd == 0
                     && start == 0
                     && dstart == 0 && dend == 0

aztec/src/main/kotlin/org/wordpress/aztec/formatting/InlineFormatter.kt

@@ -64,7 +64,7 @@ class InlineFormatter(editor: AztecText, val codeStyle: CodeStyle, private val h
     fun toggleAny(textFormats: Set<ITextFormat>) {
         if (!textFormats
                 .filter { containsInlineStyle(it) }
-                .fold(false) { found, containedTextFormat -> removeInlineStyle(containedTextFormat); true }) {
+                .fold(false) { _, containedTextFormat -> removeInlineStyle(containedTextFormat); true }) {
             removeAllExclusiveFormats()
             applyInlineStyle(textFormats.first())
         }