Revert "Added chips"

This reverts commit 2c80c25b8a.

app/src/main/java/eu/faircode/email/ChipSpan.java

@@ -1,38 +0,0 @@
-package eu.faircode.email;
-
-import android.graphics.Canvas;
-import android.graphics.Paint;
-import android.graphics.RectF;
-import android.text.style.ReplacementSpan;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-
-public class ChipSpan extends ReplacementSpan {
-    private int bg;
-    private int fg;
-    private int radius;
-
-    public ChipSpan(int bg, int fg, int radius) {
-        super();
-        this.bg = bg;
-        this.fg = fg;
-        this.radius = radius;
-    }
-
-    @Override
-    public int getSize(@NonNull Paint paint, CharSequence text, int start, int end, @Nullable Paint.FontMetricsInt fm) {
-        return Math.round(paint.measureText(text, start, end) + 2 * radius);
-    }
-
-    @Override
-    public void draw(@NonNull Canvas canvas, CharSequence text, int start, int end, float x, int top, int y, int bottom, @NonNull Paint paint) {
-        RectF rect = new RectF(x, top, x + paint.measureText(text, start, end) + 2 * radius, bottom);
-        paint.setColor(bg);
-        canvas.drawRoundRect(rect, radius, radius, paint);
-
-        paint.setStyle(Paint.Style.FILL);
-        paint.setColor(fg);
-        canvas.drawText(text, start, end, x + radius, y, paint);
-    }
-}

app/src/main/java/eu/faircode/email/FragmentCompose.java

@@ -293,42 +293,6 @@ public class FragmentCompose extends FragmentBase {
             }
         });
 
-        final int chipBackground = Helper.resolveColor(getContext(), R.attr.colorPrimary);
-        final int chipForeground = Color.WHITE;
-        final int chipRadius = Helper.dp2pixels(getContext(), 6);
-
-        TextWatcher chip = new TextWatcher() {
-            @Override
-            public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {
-            }
-
-            @Override
-            public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {
-            }
-
-            @Override
-            public void afterTextChanged(Editable editable) {
-                for (Object span : editable.getSpans(0, editable.length(), ChipSpan.class))
-                    editable.removeSpan(span);
-
-                int start = 0;
-                for (int i = 0; i < editable.length(); i++)
-                    if (editable.charAt(i) == ',') {
-                        if (i > start) {
-                            if (editable.charAt(start) == ' ')
-                                start++;
-                            editable.setSpan(new ChipSpan(chipBackground, chipForeground, chipRadius),
-                                    start, i, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
-                        }
-                        start = i + 1;
-                    }
-            }
-        };
-
-        etTo.addTextChangedListener(chip);
-        etCc.addTextChangedListener(chip);
-        etBcc.addTextChangedListener(chip);
-
         View.OnClickListener onPick = new View.OnClickListener() {
             @Override
             public void onClick(View view) {